diff --git a/testsuites/unittest/xts/BUILD.gn b/testsuites/unittest/xts/BUILD.gn
index 4784b934a61bc6591c800252b7878392385fae49..d653371aface91a5410f68fc27f240eb0b992115 100644
--- a/testsuites/unittest/xts/BUILD.gn
+++ b/testsuites/unittest/xts/BUILD.gn
@@ -34,6 +34,10 @@ static_library("xts_test") {
     "io:io_test",
     "ipc:ipc_test",
     "math:math_test",
+    "mem:mem_test",
+    "process:pthread_test",
+    "sched:sched_test",
+    "sys:system_test",
   ]
   configs += [ "$LITEOSTOPDIR/testsuites:include" ]
 }
diff --git a/testsuites/unittest/xts/mem/BUILD.gn b/testsuites/unittest/xts/mem/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..25ab2276e1c0ff24e044ebfde390e82ccd5b157b
--- /dev/null
+++ b/testsuites/unittest/xts/mem/BUILD.gn
@@ -0,0 +1,43 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+static_library("mem_test") {
+  sources = [
+    "acts_mem_api_test.c",
+    "mem_api_test.c",
+    "xts_mem.c",
+  ]
+
+  include_dirs = [
+    ".",
+    "$LITEOSTOPDIR/testsuites/include",
+    "$LITEOSTOPDIR/testsuites/unittest/xts",
+  ]
+}
diff --git a/testsuites/unittest/xts/mem/acts_mem_api_test.c b/testsuites/unittest/xts/mem/acts_mem_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..da3863c09849c16fdedeb358e1c6a4b055130784
--- /dev/null
+++ b/testsuites/unittest/xts/mem/acts_mem_api_test.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_mem.h"
+
+LITE_TEST_SUIT(MEM, ActsMemApi, ActsMemApiTestSuite);
+
+static BOOL ActsMemApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL ActsMemApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+/**
+* @tc.number     SUB_KERNEL_NDKAPI_MEM_MEMCHR_0100
+* @tc.name       test memchr api
+* @tc.desc       [C- SOFTWARE -0200]
+*/
+LITE_TEST_CASE(ActsMemApiTestSuite, testMemchr_0100, Function | MediumTest | Level1) {
+    char srcStr[] = "this is str a;";
+    char *pos = (char *)memchr(srcStr, 'a', 14); /* 14, common data for test, no special meaning */
+    ICUNIT_ASSERT_STRING_EQUAL(pos, (char *)"a;", pos);
+    return 0;
+}
+
+/**
+* @tc.number     SUB_KERNEL_NDKAPI_MEM_MEMCHR_1000
+* @tc.name       test memchr api para len not enough
+* @tc.desc       [C- SOFTWARE -0200]
+*/
+LITE_TEST_CASE(ActsMemApiTestSuite, testMemchr_1000, Function | MediumTest | Level1) {
+    char srcStr[] = "this is str a;";
+    char *pos = (char *)memchr(srcStr, 'a', 4); /* 4, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(pos, 0, pos);
+    return 0;
+}
+
+/**
+* @tc.number     SUB_KERNEL_NDKAPI_MEM_MEMCHR_1100
+* @tc.name       test memchr api para c not found
+* @tc.desc       [C- SOFTWARE -0200]
+*/
+LITE_TEST_CASE(ActsMemApiTestSuite, testMemchr_1100, Function | MediumTest | Level1) {
+    char srcStr[] = "this is str a;";
+    char *pos = (char *)memchr(srcStr, 'b', 14); /* 14, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(pos, 0, pos);
+    return 0;
+}
+
+RUN_TEST_SUITE(ActsMemApiTestSuite);
+
+void ActsMemApiTest(void)
+{
+    RUN_ONE_TESTCASE(testMemchr_0100);
+    RUN_ONE_TESTCASE(testMemchr_1000);
+    RUN_ONE_TESTCASE(testMemchr_1100);
+}
+
diff --git a/testsuites/unittest/xts/mem/mem_api_test.c b/testsuites/unittest/xts/mem/mem_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..68343843b19d548883d29d7189684011747217d5
--- /dev/null
+++ b/testsuites/unittest/xts/mem/mem_api_test.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_mem.h"
+
+LITE_TEST_SUIT(MEM, MemApi, MemApiTestSuite);
+
+static BOOL MemApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL MemApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+/**
+ * @tc.number SUB_KERNEL_MEM_MEMSET_0100
+ * @tc.name   memset function set buffer value test
+ * @tc.desc   [C-L*-311]
+ */
+LITE_TEST_CASE(MemApiTestSuite, testMemset, Function | MediumTest | Level1)
+{
+    char chr = 'A';
+    int i, len, failure;
+    len = GetRandom(1024); /* 1024, common data for test, no special meaning */
+    errno_t err = EOK;
+
+    char buf[1024]; /* 1024, common data for test, no special meaning */
+    err = memset_s(buf, sizeof(buf), chr, len);
+    ICUNIT_ASSERT_EQUAL(err, 0, err);
+    failure = 0;
+    for (i = 0; i < len; i++) {
+        if (buf[i] != chr) {
+            failure = 1; /* 1, common data for test, no special meaning */
+            break;
+        }
+    }
+    ICUNIT_ASSERT_EQUAL(failure, 0, failure);
+    return 0;
+}
+
+/**
+ * @tc.number SUB_KERNEL_MEM_MEMCPY_0100
+ * @tc.name   memcpy function copy buffer test
+ * @tc.desc   [C-L*-311]
+ */
+LITE_TEST_CASE(MemApiTestSuite, testMemcpy, Function | MediumTest | Level2)
+{
+    char chr = 'A';
+    int i, len, failure;
+    char src[1024]; /* 1024, common data for test, no special meaning */
+    char dst[1024]; /* 1024, common data for test, no special meaning */
+
+    len = GetRandom(1024); /* 1024, common data for test, no special meaning */
+
+    for (i = 0; i < len; i++) {
+        src[i] = chr + i % 26; /* 26, common data for test, no special meaning */
+    }
+
+    errno_t err = memcpy_s(dst, sizeof(dst) / sizeof(dst[0]), src, len);
+    ICUNIT_ASSERT_EQUAL(err, 0, err);
+    failure = 0;
+    for (i = 0; i < len; i++) {
+        if (dst[i] != src[i]) {
+            failure = 1; /* 1, common data for test, no special meaning */
+            break;
+        }
+    }
+    ICUNIT_ASSERT_EQUAL(failure, 0, failure);
+    return 0;
+}
+
+/**
+ * @tc.number SUB_KERNEL_MEM_MEMMOVE_0100
+ * @tc.name   memmove function move buffer test
+ * @tc.desc   [C-L*-311]
+ */
+LITE_TEST_CASE(MemApiTestSuite, testMemmove, Function | MediumTest | Level2)
+{
+    char chr = 'A';
+    char buf[1024]; /* 1024, common data for test, no special meaning */
+    int i, len, failure;
+
+    len = sizeof(buf);
+    for (i = 0; i < len; i++) {
+        buf[i] = chr + GetRandom(26); /* 26, common data for test, no special meaning */
+    }
+    errno_t err = memmove_s(&buf[0], sizeof(buf) / sizeof(buf[0]), &buf[len / 2], len / 2); /* 2, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(err, 0, err);
+
+    failure = 0;
+    for (i = 0; i < len / 2; i++) { /* 2, common data for test, no special meaning */
+        if (buf[i] != buf[len / 2 + i]) { /* 2, common data for test, no special meaning */
+            failure = 1; /* 1, common data for test, no special meaning */
+            break;
+        }
+    }
+    ICUNIT_ASSERT_EQUAL(failure, 0, failure);
+    return 0;
+}
+
+/**
+ * @tc.number SUB_KERNEL_MEM_MEMMOVE_0200
+ * @tc.name   memmove function overlay move buffer test
+ * @tc.desc   [C-L*-311]
+ */
+LITE_TEST_CASE(MemApiTestSuite, testMemmoveOverlay, Function | MediumTest | Level3)
+{
+    char chr = 'A';
+    char buf[1024]; /* 1024, common data for test, no special meaning */
+    char backup[1024]; /* 1024, common data for test, no special meaning */
+    int i, len, failure;
+
+    len = sizeof(buf);
+    for (i = 0; i < len; i++) {
+        buf[i] = chr + GetRandom(26); /* 26, common data for test, no special meaning */
+        backup[i] = buf[i];
+    }
+    errno_t err = memmove_s(&buf[16], sizeof(buf) / sizeof(buf[0]) - 16, &buf[0], len / 2); /* 16, 2, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(err, 0, err);
+
+    failure = 0;
+    for (i = 0; i < len / 2; i++) { /* 2, common data for test, no special meaning */
+        if (buf[i + 16] != backup[i]) { /* 16, common data for test, no special meaning */
+            failure = 1; /* 1, common data for test, no special meaning */
+            break;
+        }
+    }
+    ICUNIT_ASSERT_EQUAL(failure, 0, failure);
+    return 0;
+}
+
+
+/**
+ * @tc.number SUB_KERNEL_MEM_MEMCMP_0100
+ * @tc.name   memmove function move buffer test
+ * @tc.desc   [C-L*-311]
+ */
+LITE_TEST_CASE(MemApiTestSuite, testMemcmp, Function | MediumTest | Level2)
+{
+    char orign[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}; /* 8, common data for test, no special meaning */
+    char lt[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x77}; /* 8, common data for test, no special meaning */
+    char eq[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88}; /* 8, common data for test, no special meaning */
+    char gt[8] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x99}; /* 8, common data for test, no special meaning */
+
+    int ret;
+    int len = sizeof(orign);
+
+    ret = memcmp(lt, orign, len);
+    ICUNIT_ASSERT_WITHIN_EQUAL(ret, INT_MIN, 0, ret);
+
+    ret = memcmp(eq, orign, len);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    ret = memcmp(gt, orign, len);
+    ICUNIT_ASSERT_WITHIN_EQUAL(ret, 0, INT_MAX, ret);
+
+    ret = memcmp(gt, orign, 0);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    return 0;
+}
+
+RUN_TEST_SUITE(MemApiTestSuite);
+
+void MemApiTest(void)
+{
+    RUN_ONE_TESTCASE(testMemset);
+    RUN_ONE_TESTCASE(testMemcpy);
+    RUN_ONE_TESTCASE(testMemmove);
+    RUN_ONE_TESTCASE(testMemmoveOverlay);
+    RUN_ONE_TESTCASE(testMemcmp);
+}
diff --git a/testsuites/unittest/xts/mem/xts_mem.c b/testsuites/unittest/xts/mem/xts_mem.c
new file mode 100644
index 0000000000000000000000000000000000000000..3db9be0085cb039fae2444061c8f6482aa715177
--- /dev/null
+++ b/testsuites/unittest/xts/mem/xts_mem.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_test.h"
+
+void MemFuncTest(void)
+{
+    ActsMemApiTest();
+    MemApiTest();
+}
\ No newline at end of file
diff --git a/testsuites/unittest/xts/mem/xts_mem.h b/testsuites/unittest/xts/mem/xts_mem.h
new file mode 100644
index 0000000000000000000000000000000000000000..0757399f0cb4f0da6b152b029c261849efb2b380
--- /dev/null
+++ b/testsuites/unittest/xts/mem/xts_mem.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef XTS_MEM_H
+#define XTS_MEM_H
+
+#include "xts_test.h"
+#include <unistd.h>
+#include <stdio.h>
+#include <securec.h>
+#include <pthread.h>
+#include <time.h>
+#include <sys/resource.h>
+#include <limits.h>
+
+#endif
\ No newline at end of file
diff --git a/testsuites/unittest/xts/process/BUILD.gn b/testsuites/unittest/xts/process/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..51b8f78fa9068cff841c63fee6765ae998be1803
--- /dev/null
+++ b/testsuites/unittest/xts/process/BUILD.gn
@@ -0,0 +1,44 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+static_library("pthread_test") {
+  sources = [
+    "acts_process_api_test.c",
+    "pthread_attr_test.c",
+    "pthread_basic_api_test.c",
+    "pthread_test.c",
+  ]
+
+  include_dirs = [
+    ".",
+    "$LITEOSTOPDIR/testsuites/include",
+    "$LITEOSTOPDIR/testsuites/unittest/xts",
+  ]
+}
diff --git a/testsuites/unittest/xts/process/acts_process_api_test.c b/testsuites/unittest/xts/process/acts_process_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..2719fca0e4adfa8eef5052019e639643ca46b949
--- /dev/null
+++ b/testsuites/unittest/xts/process/acts_process_api_test.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "pthread_test.h"
+
+LITE_TEST_SUIT(PROCESS, ProcessApi, ProcessApiTestSuite);
+
+static BOOL ProcessApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL ProcessApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+static void *ThreadFunc(void* arg)
+{
+    return NULL;
+}
+
+/**
+* @tc.number     SUB_KERNEL_NDKAPI_PROCESS_PTHREAD_SETNAME_NP_1000
+* @tc.name       test pthread_setname_np api para stringlong
+* @tc.desc       [C- SOFTWARE -0200]
+*/
+LITE_TEST_CASE(ProcessApiTestSuite, testPthreadSetnameNp1000, Function | MediumTest | Level1) {
+    pthread_t thisThread;
+    int returnVal = pthread_create(&thisThread, NULL, ThreadFunc, NULL);
+    returnVal = pthread_setname_np(thisThread, "funcThreadNamelongName");
+    ICUNIT_ASSERT_NOT_EQUAL(returnVal, 0, returnVal);
+    ICUNIT_ASSERT_EQUAL(returnVal, ERANGE, returnVal);
+    return 0;
+}
+
+RUN_TEST_SUITE(ProcessApiTestSuite);
+
+void ActsProcessApiTest(void)
+{
+    RUN_ONE_TESTCASE(testPthreadSetnameNp1000);
+}
+
diff --git a/testsuites/unittest/xts/process/pthread_attr_test.c b/testsuites/unittest/xts/process/pthread_attr_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..536f20afdf8e1efef75f87fffc4d164853c0048c
--- /dev/null
+++ b/testsuites/unittest/xts/process/pthread_attr_test.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "pthread_test.h"
+
+LITE_TEST_SUIT(PROCESS, PthreadAttr, PthreadAttrTestSuite);
+
+static BOOL PthreadAttrTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL PthreadAttrTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_ATTR_SETDETACHSTATE_0100
+ * @tc.name     basic test about pthread_attr_setdetachstate
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadAttrTestSuite, testPthreadAttrSetdetachstate, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    pthread_attr_t attr;
+    int param;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_getdetachstate(&attr, &param);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ICUNIT_ASSERT_EQUAL(param, PTHREAD_CREATE_DETACHED, param);
+    ret = pthread_create(&tid, &attr, ThreadPublic, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_destroy(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, EINVAL, ret);
+
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_getdetachstate(&attr, &param);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ICUNIT_ASSERT_EQUAL(param, PTHREAD_CREATE_JOINABLE, param);
+    ret = pthread_create(&tid, &attr, ThreadPublic, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_destroy(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_ATTR_SETSTACKSIZE_0200
+ * @tc.name     test pthread_attr_setstacksize EINVAL
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadAttrTestSuite, testPthreadAttrSetstacksizeEINVAL, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_attr_t attr;
+    size_t stackSize;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_attr_getstacksize(&attr, &stackSize);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    stackSize = PTHREAD_STACK_MIN - 1; /* 1, common data for test, no special meaning */
+    ret = pthread_attr_setstacksize(&attr, stackSize);
+    ICUNIT_ASSERT_EQUAL(ret, EINVAL, ret);
+    ret = pthread_attr_destroy(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    return 0;
+}
+
+RUN_TEST_SUITE(PthreadAttrTestSuite);
+
+void PthreadAttrTest(void)
+{
+    RUN_ONE_TESTCASE(testPthreadAttrSetdetachstate);
+    RUN_ONE_TESTCASE(testPthreadAttrSetstacksizeEINVAL);
+}
+
diff --git a/testsuites/unittest/xts/process/pthread_basic_api_test.c b/testsuites/unittest/xts/process/pthread_basic_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..71c966a1df03aebcfd25621082aedef86696cf2e
--- /dev/null
+++ b/testsuites/unittest/xts/process/pthread_basic_api_test.c
@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "pthread_test.h"
+
+LITE_TEST_SUIT(PROCESS, PthreadBasicApi, PthreadBasicApiTestSuite);
+
+static BOOL PthreadBasicApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL PthreadBasicApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+void *ThreadPthreadCreateBasic(void *arg)
+{
+    char *s = (char*)arg;
+    ICUNIT_ASSERT_STRING_EQUAL(s, "1234567890 !@#$%^&*()_= ZXCVBNM [];'./>?:\" +-*/qwertyuiopasdfghjklzxcvbnm", s);
+    return arg;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_CREATE_0100
+ * @tc.name     pthread_create create a thread
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testPthreadCreateBasic, Function | MediumTest | Level2)
+{
+    int ret;
+    pthread_t tid;
+    char str[] = "1234567890 !@#$%^&*()_= ZXCVBNM [];'./>?:\" +-*/qwertyuiopasdfghjklzxcvbnm";
+    ret = pthread_create(&tid, NULL, ThreadPthreadCreateBasic, (void*)str);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_JOIN_0200
+ * @tc.name     Test the function of pthread_join to get the return value
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testJoinReturn, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    int num = 4; /* 4, common data for test, no special meaning */
+    void *joinRe = NULL;
+    ret = pthread_create(&tid, NULL, ThreadPublic, (void*)&num);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, &joinRe);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int *p = (int*)joinRe;
+    ICUNIT_ASSERT_EQUAL(&num, p, &num);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_JOIN_0300
+ * @tc.name     Test the function about pthread_join, but child thread Exited
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testJoinExited, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    ret = pthread_create(&tid, NULL, ThreadPublic, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    usleep(50); /* 50, common data for test, no special meaning */
+    ret = pthread_join(tid, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    return 0;
+}
+
+void *ThreadPthreadExitThread(void *arg)
+{
+    pthread_exit(arg);
+    return NULL;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_EXIT_0100
+ * @tc.name     Test the return function of pthread_exit in the child thread
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testPthreadExitThread, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    int num = 4; /* 4, common data for test, no special meaning */
+    void *joinRe = NULL;
+    ret = pthread_create(&tid, NULL, ThreadPthreadExitThread, (void*)&num);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, &joinRe);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    int *p = (int*)joinRe;
+    ICUNIT_ASSERT_EQUAL(&num, p, &num);
+    return 0;
+}
+
+void FunPthreadExit(void *arg)
+{
+    pthread_exit(arg);
+}
+
+void *ThreadPthreadExitFunction(void *arg)
+{
+    FunPthreadExit(arg);
+    return NULL;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_EXIT_0200
+ * @tc.name     Test the return function of pthread_exit in the child thread function
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testPthreadExitFunction, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    int num = 4; /* 4, common data for test, no special meaning */
+    void *joinRe = NULL;
+    ret = pthread_create(&tid, NULL, ThreadPthreadExitFunction, (void*)&num);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, &joinRe);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    int *p = (int*)joinRe;
+    ICUNIT_ASSERT_EQUAL(&num, p, &num);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_DETACH_0100
+ * @tc.name     Use pthread_detach to detach child threads
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testPthreadDetach, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    ret = pthread_create(&tid, NULL, ThreadPublic, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_detach(tid);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, EINVAL, ret);
+    return 0;
+}
+
+void *ThreadPthreadEqual(void *arg)
+{
+    int ret;
+    pthread_t *tid = (pthread_t*)arg;
+    ret = pthread_equal(*tid, pthread_self());
+    ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
+    usleep(10); /* 10, common data for test, no special meaning */
+    return arg;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_PTHREAD_EQUAL_0100
+ * @tc.name     Use pthread_equal checks process equality
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadBasicApiTestSuite, testPthreadEqual, Function | MediumTest | Level3)
+{
+    int ret;
+    pthread_t tid;
+    ret = pthread_create(&tid, NULL, ThreadPthreadEqual, (void*)&tid);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_equal(tid, pthread_self());
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    ret = pthread_join(tid, NULL);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    return 0;
+}
+
+RUN_TEST_SUITE(PthreadBasicApiTestSuite);
+
+void PthreadBasicApiTest(void)
+{
+    RUN_ONE_TESTCASE(testPthreadCreateBasic);
+    RUN_ONE_TESTCASE(testJoinReturn);
+    RUN_ONE_TESTCASE(testJoinExited);
+    RUN_ONE_TESTCASE(testPthreadExitThread);
+    RUN_ONE_TESTCASE(testPthreadExitFunction);
+    RUN_ONE_TESTCASE(testPthreadDetach);
+    RUN_ONE_TESTCASE(testPthreadEqual);
+}
+
diff --git a/testsuites/unittest/xts/process/pthread_test.c b/testsuites/unittest/xts/process/pthread_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..541b3f0e931e94ad14843b9d4c45322821b6d64b
--- /dev/null
+++ b/testsuites/unittest/xts/process/pthread_test.c
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_test.h"
+
+void *ThreadPublic(void *arg)
+{
+    usleep(10); /* 10, common data for test, no special meaning */
+    return arg;
+}
+
+void PthreadFuncTest(void)
+{
+    ActsProcessApiTest();
+    PthreadAttrTest();
+    PthreadBasicApiTest();
+}
diff --git a/testsuites/unittest/xts/process/pthread_test.h b/testsuites/unittest/xts/process/pthread_test.h
new file mode 100644
index 0000000000000000000000000000000000000000..9f036d9f3d0d4699bcddef0493bee4e1dfd73d5d
--- /dev/null
+++ b/testsuites/unittest/xts/process/pthread_test.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef XTS_PROCESS_H
+#define XTS_PROCESS_H
+
+#include "xts_test.h"
+#include <unistd.h>
+#include <stdio.h>
+#include <setjmp.h>
+#include <securec.h>
+#include <pthread.h>
+#include <time.h>
+#include <sys/resource.h>
+#include <limits.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <string.h>
+
+extern void *ThreadPublic(void *arg);
+
+#endif
diff --git a/testsuites/unittest/xts/sched/BUILD.gn b/testsuites/unittest/xts/sched/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..ef83a163884529f4514c4ab5e7db0936d839cc25
--- /dev/null
+++ b/testsuites/unittest/xts/sched/BUILD.gn
@@ -0,0 +1,43 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+static_library("sched_test") {
+  sources = [
+    "process_sched_api_test.c",
+    "pthread_sched_api_test.c",
+    "sched_api_test.c",
+  ]
+
+  include_dirs = [
+    ".",
+    "$LITEOSTOPDIR/testsuites/include",
+    "$LITEOSTOPDIR/testsuites/unittest/xts",
+  ]
+}
diff --git a/testsuites/unittest/xts/sched/process_sched_api_test.c b/testsuites/unittest/xts/sched/process_sched_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..e007ac9fd164ca43563ffb3a1b28e0d4e749aedd
--- /dev/null
+++ b/testsuites/unittest/xts/sched/process_sched_api_test.c
@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sched_api_test.h"
+
+LITE_TEST_SUIT(SCHED, ProcessSchedApi, ProcessSchedApiTestSuite);
+
+static BOOL ProcessSchedApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL ProcessSchedApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_GET_PRIORITY_MAX_0200
+ * @tc.name     sched_get_priority_max api error test with unsupport policy.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(ProcessSchedApiTestSuite, testSchedGetPriorityMaxError0200, Function | MediumTest | Level3)
+{
+    int invalidPolicy[] = {SCHED_FIFO, SCHED_OTHER, SCHED_BATCH, SCHED_IDLE, SCHED_DEADLINE, SCHED_RESET_ON_FORK};
+    int testLoop = sizeof(invalidPolicy) / sizeof(int);
+    for (int i = 0; i < testLoop; i++) {
+        errno = 0;
+        int prio = sched_get_priority_max(invalidPolicy[i]);
+        ICUNIT_ASSERT_EQUAL(prio, -1, prio); /* -1, common data for test, no special meaning */
+        ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
+    }
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_GET_PRIORITY_MAX_0300
+ * @tc.name     sched_get_priority_max api error test with invalid policy.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(ProcessSchedApiTestSuite, testSchedGetPriorityMaxError0300, Function | MediumTest | Level3)
+{
+    int invalidPolicyVal;
+    int prio;
+
+    invalidPolicyVal = -GetRandom(10000); /* 10000, common data for test, no special meaning */
+    errno = 0;
+    prio = sched_get_priority_max(invalidPolicyVal);
+    ICUNIT_ASSERT_EQUAL(prio, -1, prio); /* -1, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
+
+    invalidPolicyVal = GetRandom(10000) + SCHED_DEADLINE; /* 10000, common data for test, no special meaning */
+    errno = 0;
+    prio = sched_get_priority_max(invalidPolicyVal);
+    ICUNIT_ASSERT_EQUAL(prio, -1, prio); /* -1, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_GET_PRIORITY_MIN_0200
+ * @tc.name     sched_get_priority_min api error test with unsupport policy.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(ProcessSchedApiTestSuite, testSchedGetPriorityMinError0200, Function | MediumTest | Level3)
+{
+    int invalidPolicy[] = {SCHED_FIFO, SCHED_OTHER, SCHED_BATCH, SCHED_IDLE, SCHED_DEADLINE, SCHED_RESET_ON_FORK};
+    int testLoop = sizeof(invalidPolicy) / sizeof(int);
+    for (int i = 0; i < testLoop; i++) {
+        errno = 0;
+        int prio = sched_get_priority_min(invalidPolicy[i]);
+        ICUNIT_ASSERT_EQUAL(prio, -1, prio); /* -1, common data for test, no special meaning */
+        ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
+    }
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_GET_PRIORITY_MIN_0300
+ * @tc.name     sched_get_priority_min api error test with invalid policy.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(ProcessSchedApiTestSuite, testSchedGetPriorityMinError0300, Function | MediumTest | Level3)
+{
+    int invalidPolicyVal;
+    int prio;
+    invalidPolicyVal = -GetRandom(10000); /* 10000, common data for test, no special meaning */
+    errno = 0;
+    prio = sched_get_priority_min(invalidPolicyVal);
+    ICUNIT_ASSERT_EQUAL(prio, -1, prio); /* -1, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
+
+    invalidPolicyVal = GetRandom(10000) + SCHED_DEADLINE; /* 10000, common data for test, no special meaning */
+    errno = 0;
+    prio = sched_get_priority_min(invalidPolicyVal);
+    ICUNIT_ASSERT_EQUAL(prio, -1, prio); /* -1, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(errno, EINVAL, errno);
+    return 0;
+}
+
+RUN_TEST_SUITE(ProcessSchedApiTestSuite);
+
+void ProcessSchedApiTest(void)
+{
+    RUN_ONE_TESTCASE(testSchedGetPriorityMaxError0200);
+    RUN_ONE_TESTCASE(testSchedGetPriorityMaxError0300);
+    RUN_ONE_TESTCASE(testSchedGetPriorityMinError0200);
+    RUN_ONE_TESTCASE(testSchedGetPriorityMinError0300);
+}
diff --git a/testsuites/unittest/xts/sched/pthread_sched_api_test.c b/testsuites/unittest/xts/sched/pthread_sched_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..3434b314dc644341e61a659cc1c0c87d106d0972
--- /dev/null
+++ b/testsuites/unittest/xts/sched/pthread_sched_api_test.c
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sched_api_test.h"
+
+LITE_TEST_SUIT(SCHED, PthreadSchedApi, PthreadSchedApiTestSuite);
+
+static int g_policy = 0;
+static int g_prioriy = 0;
+
+static BOOL PthreadSchedApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL PthreadSchedApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_INHERIT_0100
+ * @tc.name     test the default value of inheritsched.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrGetInheritsched, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int inheritsched = -1; /* -1, common data for test, no special meaning */
+    int rt = pthread_attr_getinheritsched(&attr, &inheritsched);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(inheritsched, PTHREAD_INHERIT_SCHED, inheritsched);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_INHERIT_0200
+ * @tc.name     test set and get inheritsched.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrSetInheritsched, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int rt = pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    int inheritsched = -1; /* -1, common data for test, no special meaning */
+    rt = pthread_attr_getinheritsched(&attr, &inheritsched);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(inheritsched, PTHREAD_INHERIT_SCHED, inheritsched);
+
+    rt = pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    inheritsched = -1; /* -1, common data for test, no special meaning */
+    rt = pthread_attr_getinheritsched(&attr, &inheritsched);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(inheritsched, PTHREAD_EXPLICIT_SCHED, inheritsched);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_INHERIT_0300
+ * @tc.name     pthread_attr_setinheritsched error test.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrSetInheritschedError, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int n = -GetRandom(100); /* 100, common data for test, no special meaning */
+    int rt = pthread_attr_setinheritsched(&attr, n);
+    ICUNIT_ASSERT_EQUAL(rt, EINVAL, rt);
+    n = 2 + GetRandom(100); /* 2, 100, common data for test, no special meaning */
+    rt = pthread_attr_setinheritsched(&attr, n);
+    ICUNIT_ASSERT_EQUAL(rt, EINVAL, rt);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_SCHEDPARAM_0200
+ * @tc.name     test set and get sched param.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrSetSchedParam, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    struct sched_param param = {0};
+    int rt = pthread_attr_getschedparam(&attr, &param);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+
+    param.sched_priority = 22; /* 22, common data for test, no special meaning */
+    rt = pthread_attr_setschedparam(&attr, &param);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+
+    rt = pthread_attr_getschedparam(&attr, &param);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(param.sched_priority, 22, param.sched_priority); /* 22, common data for test, no special meaning */
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_SCHEDPOLICY_0100
+ * @tc.name     test the default value of sched policy.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrGetSchedPolicy, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int policy = -1; /* -1, common data for test, no special meaning */
+    int rt = pthread_attr_getschedpolicy(&attr, &policy);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(policy, SCHED_RR, policy);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_SCHEDPOLICY_0300
+ * @tc.name     pthread_attr_setschedpolicy error test.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrSetSchedPolicyError, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+    int rt;
+
+    int invalidPolicy[7] = {SCHED_OTHER, SCHED_BATCH, SCHED_IDLE, SCHED_DEADLINE, SCHED_RESET_ON_FORK}; /* 7, common data for test, no special meaning */
+    invalidPolicy[5] = -GetRandom(10000); /* 5, 10000, common data for test, no special meaning */
+    invalidPolicy[6] = GetRandom(10000) + 6; /* 6, 10000, common data for test, no special meaning */
+    for (int i = 0; i < 7; i++) { /* 7, common data for test, no special meaning */
+        rt = pthread_attr_setschedpolicy(&attr, invalidPolicy[i]);
+        ICUNIT_ASSERT_EQUAL(rt, EINVAL, rt);
+    }
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_SCOPE_0100
+ * @tc.name     test the default value of sched scope.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrGetScope, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int scope = -1; /* -1, common data for test, no special meaning */
+    int rt = pthread_attr_getscope(&attr, &scope);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(scope, PTHREAD_SCOPE_SYSTEM, scope);
+    return 0;
+}
+
+/**
+ * @tc.number   SUB_KERNEL_SCHED_API_PATTR_SCOPE_0200
+ * @tc.name     test set and get scope.
+ * @tc.desc     [C- SOFTWARE -0200]
+ */
+LITE_TEST_CASE(PthreadSchedApiTestSuite, testAttrSetScope, Function | MediumTest | Level1)
+{
+    int ret;
+    pthread_attr_t attr;
+    ret = pthread_attr_init(&attr);
+    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
+
+    int rt = pthread_attr_setscope(&attr, PTHREAD_SCOPE_PROCESS);
+    ICUNIT_ASSERT_EQUAL(rt, ENOTSUP, rt);
+
+    rt = pthread_attr_setscope(&attr, -GetRandom(10000)); /* 10000, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(rt, EINVAL, rt);
+
+    rt = pthread_attr_setscope(&attr, GetRandom(10000) + 2); /* 2, 10000, common data for test, no special meaning */
+    ICUNIT_ASSERT_EQUAL(rt, EINVAL, rt);
+
+    int scope = -1; /* -1, common data for test, no special meaning */
+    rt = pthread_attr_getscope(&attr, &scope);
+    ICUNIT_ASSERT_EQUAL(rt, 0, rt);
+    ICUNIT_ASSERT_EQUAL(scope, PTHREAD_SCOPE_SYSTEM, scope);
+    return 0;
+}
+
+RUN_TEST_SUITE(PthreadSchedApiTestSuite);
+
+void PthreadSchedApiTest(void)
+{
+    RUN_ONE_TESTCASE(testAttrGetInheritsched);
+    RUN_ONE_TESTCASE(testAttrSetInheritsched);
+    RUN_ONE_TESTCASE(testAttrSetInheritschedError);
+    RUN_ONE_TESTCASE(testAttrSetSchedParam);
+    RUN_ONE_TESTCASE(testAttrGetSchedPolicy);
+    RUN_ONE_TESTCASE(testAttrSetSchedPolicyError);
+    RUN_ONE_TESTCASE(testAttrGetScope);
+    RUN_ONE_TESTCASE(testAttrSetScope);
+}
diff --git a/testsuites/unittest/xts/sched/sched_api_test.c b/testsuites/unittest/xts/sched/sched_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..b5fb90e5edc29c846d23d4dcb2645c37a2a3b74d
--- /dev/null
+++ b/testsuites/unittest/xts/sched/sched_api_test.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "xts_test.h"
+
+void SchedApiFuncTest(void)
+{
+    ProcessSchedApiTest();
+    PthreadSchedApiTest();
+}
diff --git a/testsuites/unittest/xts/sched/sched_api_test.h b/testsuites/unittest/xts/sched/sched_api_test.h
new file mode 100644
index 0000000000000000000000000000000000000000..37aa1ba1565e859fd692a88dc52e2f6b5255f2a4
--- /dev/null
+++ b/testsuites/unittest/xts/sched/sched_api_test.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef XTS_SCHED_H
+#define XTS_SCHED_H
+
+#include "xts_test.h"
+#include <unistd.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <sys/resource.h>
+#include <fcntl.h>
+#include <semaphore.h>
+#include <fcntl.h>
+
+#endif
\ No newline at end of file
diff --git a/testsuites/unittest/xts/sys/BUILD.gn b/testsuites/unittest/xts/sys/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..49b10bdb97543054fe482a860d3614413ca7afe1
--- /dev/null
+++ b/testsuites/unittest/xts/sys/BUILD.gn
@@ -0,0 +1,39 @@
+# Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+static_library("system_test") {
+  sources = [ "sys_api_test.c" ]
+
+  include_dirs = [
+    ".",
+    "$LITEOSTOPDIR/testsuites/include",
+    "$LITEOSTOPDIR/testsuites/unittest/xts",
+  ]
+}
diff --git a/testsuites/unittest/xts/sys/sys_api.h b/testsuites/unittest/xts/sys/sys_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..b691f3ff6139e1aa6081cbededa435f68b244bdd
--- /dev/null
+++ b/testsuites/unittest/xts/sys/sys_api.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef XTS_SYS_API_H
+#define XTS_SYS_API_H
+
+#include <unistd.h>
+#include <string.h>
+#include <locale.h>
+#include <search.h>
+#include <err.h>
+#include <regex.h>
+#include <sys/types.h>
+#include <sys/utsname.h>
+
+#endif
\ No newline at end of file
diff --git a/testsuites/unittest/xts/sys/sys_api_test.c b/testsuites/unittest/xts/sys/sys_api_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..102a4230f0deedd7191eaac1fd824bdf02b90212
--- /dev/null
+++ b/testsuites/unittest/xts/sys/sys_api_test.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "sys_api.h"
+#include "xts_test.h"
+
+LITE_TEST_SUIT(SYSTEM, SysApiTest, SysApiTestSuite);
+
+static BOOL SysApiTestSuiteSetUp(void)
+{
+    return TRUE;
+}
+
+static BOOL SysApiTestSuiteTearDown(void)
+{
+    return TRUE;
+}
+
+/**
+* @tc.number    SUB_KERNEL_SYS_STRERROR_0100
+* @tc.name      test strerror
+* @tc.desc      [C- SOFTWARE -0200]
+*/
+LITE_TEST_CASE(SysApiTestSuite, testStrerror, Function | MediumTest | Level1)
+{
+    ICUNIT_ASSERT_STRING_EQUAL(strerror(-1), "No error information", strerror(-1)); /* -1, common data for test, no special meaning */
+    ICUNIT_ASSERT_STRING_EQUAL(strerror(0), "No error information", strerror(0));
+    ICUNIT_ASSERT_STRING_EQUAL(strerror(2), "No such file or directory", strerror(2)); /* 2, common data for test, no special meaning */
+    ICUNIT_ASSERT_STRING_EQUAL(strerror(10), "No child process", strerror(10)); /* 10, common data for test, no special meaning */
+    ICUNIT_ASSERT_STRING_EQUAL(strerror(65536), "No error information", strerror(65536)); /* 65536, common data for test, no special meaning */
+}
+
+RUN_TEST_SUITE(SysApiTestSuite);
+
+void SysApiFuncTest(void)
+{
+    RUN_ONE_TESTCASE(testStrerror);
+}
diff --git a/testsuites/unittest/xts/xts_test.c b/testsuites/unittest/xts/xts_test.c
index 2da4f457b068f155e07498e346735d52fb94af96..f3e6f08cde4b020320b3b53642bc7068bcd95093 100644
--- a/testsuites/unittest/xts/xts_test.c
+++ b/testsuites/unittest/xts/xts_test.c
@@ -43,4 +43,8 @@ void XtsTestSuite(void)
     IpcSemApiTest();
     IoFuncTest();
     MathFuncTest();
-}
+    MemFuncTest();
+    PthreadFuncTest();
+    SchedApiFuncTest();
+    SysApiFuncTest();
+}
\ No newline at end of file
diff --git a/testsuites/unittest/xts/xts_test.h b/testsuites/unittest/xts/xts_test.h
index 121ff81d8ffe937bcc63cfadbba162215ac8815f..6dd0260b33648241ffe54615fecea23a8ce074d5 100644
--- a/testsuites/unittest/xts/xts_test.h
+++ b/testsuites/unittest/xts/xts_test.h
@@ -61,4 +61,12 @@ extern void IoFuncTest(void);
 
 extern void MathFuncTest(void);
 
+extern void MemFuncTest(void);
+
+extern void PthreadFuncTest(void);
+
+extern void SchedApiFuncTest(void);
+
+extern void SysApiFuncTest(void);
+
 #endif