diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 56b7d55f..63debb83 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -5,6 +5,7 @@
 **Added**
 
 - feat: make pytest files in chain style
+- feat: `hrun` supports run pytest files
 
 **Fixed**
 
diff --git a/httprunner/loader.py b/httprunner/loader.py
index e34d4993..aee39014 100644
--- a/httprunner/loader.py
+++ b/httprunner/loader.py
@@ -194,7 +194,7 @@ def load_csv_file(csv_file: Text) -> List[Dict]:
 
 
 def load_folder_files(folder_path: Text, recursive: bool = True) -> List:
-    """ load folder path, return all files endswith yml/yaml/json in list.
+    """ load folder path, return all files endswith .yml/.yaml/.json/_test.py in list.
 
     Args:
         folder_path (str): specified folder path to load
@@ -219,7 +219,7 @@ def load_folder_files(folder_path: Text, recursive: bool = True) -> List:
         filenames_list = []
 
         for filename in filenames:
-            if not filename.endswith((".yml", ".yaml", ".json")):
+            if not filename.lower().endswith((".yml", ".yaml", ".json", "_test.py")):
                 continue
 
             filenames_list.append(filename)
diff --git a/httprunner/make.py b/httprunner/make.py
index a43be11f..c656bad9 100644
--- a/httprunner/make.py
+++ b/httprunner/make.py
@@ -21,6 +21,7 @@ from httprunner.response import uniform_validator
 """ cache converted pytest files, avoid duplicate making
 """
 make_files_cache_set: Set = set()
+pytest_files_set: Set = set()
 
 __TEMPLATE__ = jinja2.Template(
     """# NOTICE: Generated By HttpRunner. DO NOT EDIT!
@@ -387,6 +388,10 @@ def __make(tests_path: Text, ref_flag: bool = False) -> NoReturn:
         raise exceptions.TestcaseNotFound(f"Invalid tests path: {tests_path}")
 
     for test_file in test_files:
+        if test_file.lower().endswith("_test.py"):
+            pytest_files_set.add(test_file)
+            continue
+
         try:
             test_content = load_test_file(test_file)
         except (exceptions.FileNotFound, exceptions.FileFormatError) as ex:
@@ -419,15 +424,19 @@ def __make(tests_path: Text, ref_flag: bool = False) -> NoReturn:
 
 
 def main_make(tests_paths: List[Text]) -> List[Text]:
+    if not tests_paths:
+        return []
+
     for tests_path in tests_paths:
         if not os.path.isabs(tests_path):
             tests_path = os.path.join(os.getcwd(), tests_path)
 
         __make(tests_path)
 
-    testcase_path_list = list(make_files_cache_set)
-    format_pytest_with_black(*testcase_path_list)
-    return testcase_path_list
+    pytest_files_set.update(make_files_cache_set)
+    pytest_files_list = list(pytest_files_set)
+    format_pytest_with_black(*pytest_files_list)
+    return pytest_files_list
 
 
 def init_make_parser(subparsers):
diff --git a/tests/ext/har2case/core_test.py b/tests/ext/har2case/core_test.py
index 329dde57..21e818ad 100644
--- a/tests/ext/har2case/core_test.py
+++ b/tests/ext/har2case/core_test.py
@@ -34,7 +34,7 @@ class TestHar(TestHar2CaseUtils):
         self.assertIn("validate", teststeps[0])
 
     def test_gen_testcase_yaml(self):
-        yaml_file = os.path.join(os.path.dirname(__file__), "data", "demo.yaml")
+        yaml_file = os.path.join(os.path.dirname(__file__), "data", "demo.yml")
 
         self.har_parser.gen_testcase(file_type="YAML")
         self.assertTrue(os.path.isfile(yaml_file))
diff --git a/tests/make_test.py b/tests/make_test.py
index 2189c1f7..8eec7ca6 100644
--- a/tests/make_test.py
+++ b/tests/make_test.py
@@ -6,10 +6,11 @@ from httprunner.make import (
     make_files_cache_set,
     make_config_chain_style,
     make_teststep_chain_style,
+    pytest_files_set,
 )
 
 
-class TestLoader(unittest.TestCase):
+class TestMake(unittest.TestCase):
     def test_make_testcase(self):
         path = ["examples/postman_echo/request_methods/request_with_variables.yml"]
         testcase_python_list = main_make(path)
@@ -23,6 +24,7 @@ class TestLoader(unittest.TestCase):
             "examples/postman_echo/request_methods/request_with_testcase_reference.yml"
         ]
         make_files_cache_set.clear()
+        pytest_files_set.clear()
         testcase_python_list = main_make(path)
         self.assertEqual(len(testcase_python_list), 1)
         self.assertIn(
@@ -91,6 +93,7 @@ from examples.postman_echo.request_methods.request_with_functions_test import (
     def test_make_testsuite(self):
         path = ["examples/postman_echo/request_methods/demo_testsuite.yml"]
         make_files_cache_set.clear()
+        pytest_files_set.clear()
         testcase_python_list = main_make(path)
         self.assertEqual(len(testcase_python_list), 2)
         self.assertIn(