diff --git a/examples/utest/testcases/kernel/Kconfig b/examples/utest/testcases/kernel/Kconfig
index e8dd3c2e9772d4c290fbd7a78e50f6395f093f4e..18547211938d08a6020573d2f79d8e1941999488 100644
--- a/examples/utest/testcases/kernel/Kconfig
+++ b/examples/utest/testcases/kernel/Kconfig
@@ -19,4 +19,8 @@ config UTEST_EVENT_TC
     default n
     depends on RT_USING_EVENT
 
+config UTEST_TIMER_TC
+    bool "timer test"
+    default n
+
 endmenu
diff --git a/examples/utest/testcases/kernel/SConscript b/examples/utest/testcases/kernel/SConscript
index 26d5ddbf17e8f737747086d1d69b98a8794bd03e..758dea4d3f27f41c01baf53eca47a84a8a911556 100644
--- a/examples/utest/testcases/kernel/SConscript
+++ b/examples/utest/testcases/kernel/SConscript
@@ -17,6 +17,9 @@ if GetDepend(['UTEST_SEMAPHORE_TC']):
 if GetDepend(['UTEST_EVENT_TC']):
     src += ['event_tc.c']
 
+if GetDepend(['UTEST_TIMER_TC']):
+    src += ['timer_tc.c']
+
 CPPPATH = [cwd]
 
 group = DefineGroup('utestcases', src, depend = [], CPPPATH = CPPPATH)
diff --git a/examples/utest/testcases/kernel/timer_tc.c b/examples/utest/testcases/kernel/timer_tc.c
new file mode 100644
index 0000000000000000000000000000000000000000..e965abe49bfc80d70e40116ae728311c90183c6b
--- /dev/null
+++ b/examples/utest/testcases/kernel/timer_tc.c
@@ -0,0 +1,520 @@
+/*
+ * Copyright (c) 2006-2019, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-08-12     luckyzjq     the first version
+ */
+
+#include <rtthread.h>
+#include <stdlib.h>
+#include "utest.h"
+
+static rt_uint8_t timer_flag_oneshot[] = {
+    RT_TIMER_FLAG_ONE_SHOT,
+    RT_TIMER_FLAG_ONE_SHOT | RT_TIMER_FLAG_HARD_TIMER,
+    RT_TIMER_FLAG_ONE_SHOT | RT_TIMER_FLAG_SOFT_TIMER,
+};
+
+static rt_uint8_t timer_flag_periodic[] = {
+    RT_TIMER_FLAG_PERIODIC,
+    RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_HARD_TIMER,
+    RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_SOFT_TIMER,
+};
+
+typedef struct test_timer_struct
+{
+    struct rt_timer static_timer; /* static timer handler */
+    rt_timer_t dynamic_timer;     /* dynamic timer pointer */
+    rt_tick_t expect_tick;        /* expect tick */
+    rt_uint8_t test_flag;         /* timer callback done flag */
+} timer_struct;
+static timer_struct timer;
+
+#define test_static_timer_start test_static_timer_init
+#define test_static_timer_stop test_static_timer_init
+#define test_static_timer_detach test_static_timer_init
+
+static void static_timer_oneshot(void *param)
+{
+    timer_struct *timer_call;
+    timer_call = (timer_struct *)param;
+    timer_call->test_flag = RT_TRUE;
+
+    /* check expect tick */
+    if (rt_tick_get() - timer_call->expect_tick > 1)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    return;
+}
+static void static_timer_periodic(void *param)
+{
+    rt_err_t result;
+    timer_struct *timer_call;
+    timer_call = (timer_struct *)param;
+    timer_call->test_flag = RT_TRUE;
+
+    /* check expect tick */
+    if (rt_tick_get() - timer_call->expect_tick > 1)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* periodic timer can stop */
+    result = rt_timer_stop(&timer_call->static_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    return;
+}
+
+static void test_static_timer_init(void)
+{
+    rt_err_t result;
+    int rand_num = rand() % 10;
+
+    /* one shot timer test */
+    for (int time_out = 0; time_out < rand_num; time_out++)
+    {
+        for (int i = 0; i < sizeof(timer_flag_oneshot); i++)
+        {
+            rt_timer_init(&timer.static_timer,
+                          "static_timer",
+                          static_timer_oneshot,
+                          &timer,
+                          time_out,
+                          timer_flag_oneshot[i]);
+
+            /* calc expect tick */
+            timer.expect_tick = rt_tick_get() + time_out;
+
+            /* start timer */
+            result = rt_timer_start(&timer.static_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            /* wait for timerout */
+            rt_thread_mdelay(time_out + 5);
+
+            /* detach timer */
+            result = rt_timer_detach(&timer.static_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            if (timer.test_flag != RT_TRUE)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+        }
+    }
+
+    /* periodic timer test */
+    for (int time_out = 0; time_out < rand_num; time_out++)
+    {
+        for (int i = 0; i < sizeof(timer_flag_periodic); i++)
+        {
+            rt_timer_init(&timer.static_timer,
+                          "static_timer",
+                          static_timer_periodic,
+                          &timer,
+                          time_out,
+                          timer_flag_periodic[i]);
+
+            /* calc expect tick */
+            timer.expect_tick = rt_tick_get() + time_out;
+
+            /* start timer */
+            result = rt_timer_start(&timer.static_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            /* wait for timerout */
+            rt_thread_mdelay(time_out + 5);
+
+            /* detach timer */
+            result = rt_timer_detach(&timer.static_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            if (timer.test_flag != RT_TRUE)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+        }
+    }
+
+    timer.test_flag = RT_FALSE;
+    uassert_true(RT_TRUE);
+
+    return;
+}
+
+static void static_timer_control(void *param)
+{
+    rt_err_t result;
+    timer_struct *timer_call;
+    timer_call = (timer_struct *)param;
+    timer_call->test_flag = RT_TRUE;
+
+    /* check expect tick */
+    if (rt_tick_get() - timer_call->expect_tick > 1)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* periodic timer can stop */
+    result = rt_timer_stop(&timer_call->static_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    return;
+}
+
+static void test_static_timer_control(void)
+{
+    rt_err_t result;
+    int rand_num = rand() % 10;
+    int set_data;
+    int get_data;
+
+    rt_timer_init(&timer.static_timer,
+                  "static_timer",
+                  static_timer_control,
+                  &timer,
+                  5,
+                  RT_TIMER_FLAG_PERIODIC);
+
+    /* test set data */
+    set_data = rand_num;
+    result = rt_timer_control(&timer.static_timer, RT_TIMER_CTRL_SET_TIME, &set_data);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* test get data */
+    result = rt_timer_control(&timer.static_timer, RT_TIMER_CTRL_GET_TIME, &get_data);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* a set of test */
+    if (set_data != get_data)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* calc expect tick */
+    timer.expect_tick = rt_tick_get() + set_data;
+
+    /* start timer */
+    result = rt_timer_start(&timer.static_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+        return;
+    }
+
+    rt_thread_mdelay(set_data + 5);
+
+    /* detach timer */
+    result = rt_timer_detach(&timer.static_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+        return;
+    }
+
+    if (timer.test_flag != RT_TRUE)
+    {
+        uassert_true(RT_FALSE);
+        return;
+    }
+
+    timer.test_flag = RT_FALSE;
+    uassert_true(RT_TRUE);
+}
+
+#ifdef RT_USING_HEAP
+
+#define test_dynamic_timer_start test_dynamic_timer_create
+#define test_dynamic_timer_stop test_dynamic_timer_create
+#define test_dynamic_timer_delete test_dynamic_timer_create
+
+static void dynamic_timer_oneshot(void *param)
+{
+    timer_struct *timer_call;
+    timer_call = (timer_struct *)param;
+    timer_call->test_flag = RT_TRUE;
+
+    /* check expect tick */
+    if (rt_tick_get() - timer_call->expect_tick > 1)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    return;
+}
+static void dynamic_timer_periodic(void *param)
+{
+    rt_err_t result;
+    timer_struct *timer_call;
+    timer_call = (timer_struct *)param;
+    timer_call->test_flag = RT_TRUE;
+
+    /* check expect tick */
+    if (rt_tick_get() - timer_call->expect_tick > 1)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* periodic timer can stop */
+    result = rt_timer_stop(timer_call->dynamic_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    return;
+}
+
+static void test_dynamic_timer_create(void)
+{
+    rt_err_t result;
+    int rand_num = rand() % 10;
+
+    /* one shot timer test */
+    for (int time_out = 0; time_out < rand_num; time_out++)
+    {
+        for (int i = 0; i < sizeof(timer_flag_oneshot); i++)
+        {
+            timer.dynamic_timer = rt_timer_create("dynamic_timer",
+                                                  dynamic_timer_oneshot,
+                                                  &timer,
+                                                  time_out,
+                                                  timer_flag_oneshot[i]);
+
+            /* calc expect tick */
+            timer.expect_tick = rt_tick_get() + time_out;
+
+            /* start timer */
+            result = rt_timer_start(timer.dynamic_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            /* wait for timerout */
+            rt_thread_mdelay(time_out + 5);
+
+            /* detach timer */
+            result = rt_timer_delete(timer.dynamic_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            if (timer.test_flag != RT_TRUE)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+        }
+    }
+
+    /* periodic timer test */
+    for (int time_out = 0; time_out < rand_num; time_out++)
+    {
+        for (int i = 0; i < sizeof(timer_flag_periodic); i++)
+        {
+            timer.dynamic_timer = rt_timer_create("dynamic_timer",
+                                                  dynamic_timer_periodic,
+                                                  &timer,
+                                                  time_out,
+                                                  timer_flag_periodic[i]);
+
+            /* calc expect tick */
+            timer.expect_tick = rt_tick_get() + time_out;
+
+            /* start timer */
+            result = rt_timer_start(timer.dynamic_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            /* wait for timerout */
+            rt_thread_mdelay(time_out + 5);
+
+            /* detach timer */
+            result = rt_timer_delete(timer.dynamic_timer);
+            if (RT_EOK != result)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+
+            if (timer.test_flag != RT_TRUE)
+            {
+                uassert_true(RT_FALSE);
+                return;
+            }
+        }
+    }
+
+    timer.test_flag = RT_FALSE;
+    uassert_true(RT_TRUE);
+
+    return;
+}
+
+static void dynamic_timer_control(void *param)
+{
+    rt_err_t result;
+    timer_struct *timer_call;
+    timer_call = (timer_struct *)param;
+    timer_call->test_flag = RT_TRUE;
+
+    /* check expect tick */
+    if (rt_tick_get() - timer_call->expect_tick > 1)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* periodic timer can stop */
+    result = rt_timer_stop(timer_call->dynamic_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    return;
+}
+
+static void test_dynamic_timer_control(void)
+{
+    rt_err_t result;
+    int rand_num = rand() % 10;
+    int set_data;
+    int get_data;
+
+    timer.dynamic_timer = rt_timer_create("dynamic_timer",
+                                          dynamic_timer_control,
+                                          &timer,
+                                          5,
+                                          RT_TIMER_FLAG_PERIODIC);
+
+    /* test set data */
+    set_data = rand_num;
+    result = rt_timer_control(timer.dynamic_timer, RT_TIMER_CTRL_SET_TIME, &set_data);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* test get data */
+    result = rt_timer_control(timer.dynamic_timer, RT_TIMER_CTRL_GET_TIME, &get_data);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* a set of test */
+    if (set_data != get_data)
+    {
+        uassert_true(RT_FALSE);
+    }
+
+    /* calc expect tick */
+    timer.expect_tick = rt_tick_get() + set_data;
+
+    /* start timer */
+    result = rt_timer_start(timer.dynamic_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+        return;
+    }
+
+    rt_thread_mdelay(set_data + 5);
+
+    /* detach timer */
+    result = rt_timer_delete(timer.dynamic_timer);
+    if (RT_EOK != result)
+    {
+        uassert_true(RT_FALSE);
+        return;
+    }
+
+    if (timer.test_flag != RT_TRUE)
+    {
+        uassert_true(RT_FALSE);
+        return;
+    }
+
+    timer.test_flag = RT_FALSE;
+    uassert_true(RT_TRUE);
+}
+
+#endif /* RT_USING_HEAP */
+
+static rt_err_t utest_tc_init(void)
+{
+    timer.dynamic_timer = RT_NULL;
+    timer.test_flag = RT_FALSE;
+
+    return RT_EOK;
+}
+
+static rt_err_t utest_tc_cleanup(void)
+{
+    timer.dynamic_timer = RT_NULL;
+    timer.test_flag = RT_FALSE;
+
+    return RT_EOK;
+}
+
+static void testcase(void)
+{
+    UTEST_UNIT_RUN(test_static_timer_init);
+    UTEST_UNIT_RUN(test_static_timer_start);
+    UTEST_UNIT_RUN(test_static_timer_stop);
+    UTEST_UNIT_RUN(test_static_timer_detach);
+    UTEST_UNIT_RUN(test_static_timer_control);
+#ifdef RT_USING_HEAP
+    UTEST_UNIT_RUN(test_dynamic_timer_create);
+    UTEST_UNIT_RUN(test_dynamic_timer_start);
+    UTEST_UNIT_RUN(test_dynamic_timer_stop);
+    UTEST_UNIT_RUN(test_dynamic_timer_delete);
+    UTEST_UNIT_RUN(test_dynamic_timer_control);
+#endif /* RT_USING_HEAP */
+}
+UTEST_TC_EXPORT(testcase, "testcases.kernel.timer_tc", utest_tc_init, utest_tc_cleanup, 1000);
+
+/*********************** end of file ****************************/