diff --git a/mindinsight/backend/profiler/profile_api.py b/mindinsight/backend/profiler/profile_api.py
index 92512b6c4caba24e57a3fafbf7839b810e4683e8..f94f44e1aa8891c08c03bf90a053494cc7438c79 100644
--- a/mindinsight/backend/profiler/profile_api.py
+++ b/mindinsight/backend/profiler/profile_api.py
@@ -49,10 +49,12 @@ def get_profile_op_info():
         ParamValueError: If the search condition contains some errors.
 
     Examples:
-        >>> POST http://xxxx/v1/mindinsight/profile/op
+        >>> POST http://xxxx/v1/mindinsight/profile/ops/search
     """
     profiler_dir = get_profiler_dir(request)
     train_id = get_train_id(request)
+    if not profiler_dir or not train_id:
+        raise ParamValueError("No profiler_dir or train_id.")
 
     search_condition = request.stream.read()
     try:
@@ -90,10 +92,13 @@ def get_profile_device_list():
         ParamValueError: If the search condition contains some errors.
 
     Examples:
-        >>> POST http://xxxx/v1/mindinsight/profile/device_list
+        >>> POST http://xxxx/v1/mindinsight/profile/devices
     """
     profiler_dir = get_profiler_dir(request)
     train_id = get_train_id(request)
+    if not profiler_dir or not train_id:
+        raise ParamValueError("No profiler_dir or train_id.")
+
     profiler_dir_abs = os.path.join(settings.SUMMARY_BASE_DIR, train_id, profiler_dir)
     try:
         profiler_dir_abs = validate_and_normalize_path(profiler_dir_abs, "profiler")
diff --git a/tests/ut/backend/profiler/__init__.py b/tests/ut/backend/profiler/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..47b43a6e5569f25a736a32f866e441f62fa5a0bf
--- /dev/null
+++ b/tests/ut/backend/profiler/__init__.py
@@ -0,0 +1,14 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
diff --git a/tests/ut/backend/profiler/test_profiler_restful_api.py b/tests/ut/backend/profiler/test_profiler_restful_api.py
new file mode 100644
index 0000000000000000000000000000000000000000..2775cba328874c46ccd8b6ac8fd782dd085dac4f
--- /dev/null
+++ b/tests/ut/backend/profiler/test_profiler_restful_api.py
@@ -0,0 +1,80 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+"""Test profiler restful api."""
+import json
+from unittest import TestCase, mock
+
+from flask import Response
+
+from mindinsight.backend.application import APP
+
+
+
+class TestProfilerRestfulApi(TestCase):
+    """Test the restful api of profiler."""
+
+    def setUp(self):
+        """Test init."""
+        APP.response_class = Response
+        self.app_client = APP.test_client()
+        self.url = '/v1/mindinsight/profile/ops/search?train_id=run1&profile=profiler'
+
+    @mock.patch('mindinsight.backend.lineagemgr.lineage_api.settings')
+    @mock.patch('mindinsight.profiler.analyser.base_analyser.BaseAnalyser.query')
+    def test_ops_search_success(self, *args):
+        """Test the success of ops/search."""
+        base_dir = '/path/to/test_profiler_base'
+        expect_result = {
+            'object': ["test"],
+            'count': 1
+        }
+        args[0].return_value = expect_result
+        args[1].SUMMARY_BASE_DIR = base_dir
+
+        body_data = {
+            "op_type": "aicore_type"
+        }
+        response = self.app_client.post(self.url, data=json.dumps(body_data))
+        self.assertEqual(200, response.status_code)
+        self.assertDictEqual(expect_result, response.get_json())
+
+    @mock.patch('mindinsight.backend.lineagemgr.lineage_api.settings')
+    @mock.patch('mindinsight.profiler.analyser.base_analyser.BaseAnalyser.query')
+    def test_ops_search_failed(self, *args):
+        """Test the failed of ops/search."""
+        base_dir = '/path/to/test_profiler_base'
+        expect_result = {
+            'object': ["test"],
+            'count': 1
+        }
+        args[0].return_value = expect_result
+        args[1].SUMMARY_BASE_DIR = base_dir
+        response = self.app_client.post(self.url, data=json.dumps(1))
+        self.assertEqual(400, response.status_code)
+        expect_result = {
+            'error_code': '50546082',
+            'error_msg': "Param type error. Invalid search_condition type, it should be dict."
+        }
+        self.assertDictEqual(expect_result, response.get_json())
+
+        body_data = {"op_type": "1"}
+        response = self.app_client.post(self.url, data=json.dumps(body_data))
+        self.assertEqual(400, response.status_code)
+        expect_result = {
+            'error_code': '50546183',
+        }
+        result = response.get_json()
+        del result["error_msg"]
+        self.assertDictEqual(expect_result, result)