diff --git a/httprunner/ext/make/__init__.py b/httprunner/ext/make/__init__.py
index 44b9f370..c0f045ff 100644
--- a/httprunner/ext/make/__init__.py
+++ b/httprunner/ext/make/__init__.py
@@ -15,6 +15,10 @@ from httprunner.loader import (
 )
 from httprunner.parser import parse_data
 
+""" cache converted pytest files, avoid duplicate making
+"""
+make_files_cache_mapping: Dict[Text, List] = {}
+
 __TMPL__ = """# NOTICE: Generated By HttpRunner. DO'NOT EDIT!
 # FROM: {{ testcase_path }}
 from httprunner import HttpRunner, TConfig, TStep
@@ -203,6 +207,10 @@ def make_testsuite(testsuite: Dict) -> List[Text]:
 
 
 def __make(tests_path: Text) -> List:
+    global make_files_cache_mapping
+    if tests_path in make_files_cache_mapping:
+        return make_files_cache_mapping[tests_path]
+
     test_files = []
     if os.path.isdir(tests_path):
         files_list = load_folder_files(tests_path)
@@ -245,6 +253,8 @@ def __make(tests_path: Text) -> List:
                 f"test file is neither testcase nor testsuite: {test_file}"
             )
 
+    make_files_cache_mapping[tests_path] = testcase_path_list
+
     if not testcase_path_list:
         logger.warning(f"No valid testcase generated on {tests_path}")
         return []
@@ -253,9 +263,13 @@ def __make(tests_path: Text) -> List:
 
 
 def main_make(tests_paths: List[Text]) -> List:
-    testcase_path_list = []
+
     for tests_path in tests_paths:
-        testcase_path_list.extend(__make(tests_path))
+        __make(tests_path)
+
+    testcase_path_list = []
+    for tests_path, pytest_files in make_files_cache_mapping.items():
+        testcase_path_list.extend(pytest_files)
 
     format_pytest_with_black(testcase_path_list)
     return testcase_path_list