diff --git a/debug/accuracy_tools/api_accuracy_checker/dump/info_dump.py b/debug/accuracy_tools/api_accuracy_checker/dump/info_dump.py
index 2cbd1750f1fb0adcbe22b930bb1f4b4278f6056c..0f76069a7f9e81cd6ddf08a467c5cdf2f7a55f5c 100644
--- a/debug/accuracy_tools/api_accuracy_checker/dump/info_dump.py
+++ b/debug/accuracy_tools/api_accuracy_checker/dump/info_dump.py
@@ -1 +1,57 @@
-# 基于api——info信息，将其落盘为json文件
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+import fcntl
+import json
+import os
+import threading
+import numpy as np
+
+from .api_info import ForwardAPIInfo, BackwardAPIInfo
+from .utils import DumpUtil
+from ..common.utils import check_file_or_directory_path
+
+lock = threading.Lock()
+
+def write_api_info_json(api_info):
+    dump_path = DumpUtil.dump_path
+    initialize_output_json()
+    if isinstance(api_info, ForwardAPIInfo):
+        file_path = os.path.join(dump_path, 'forward_info.json')
+        stack_file_path = os.path.join(dump_path, 'stack_info.json')
+        write_json(file_path, api_info.api_info_struct)
+        write_json(stack_file_path, api_info.stack_info_struct, indent=4)
+
+    elif isinstance(api_info, BackwardAPIInfo):
+        file_path = os.path.join(dump_path, 'backward_info.json')
+        write_json(file_path, api_info.grad_info_struct)
+    else:
+        raise ValueError(f"Invalid api_info type {type(api_info)}")
+
+def write_json(file_path, data, indent=None):
+    check_file_or_directory_path(file_path,False)
+    with open(file_path, 'w') as f:
+        f.write("{\n}")
+    try:
+        lock.acquire()
+        with open(file_path, 'a+') as f:
+            fcntl.flock(f, fcntl.LOCK_EX)
+            f.seek(0, os.SEEK_END)
+            f.seek(f.tell() - 1, os.SEEK_SET)
+            f.truncate()
+            if f.tell() > 3:
+                f.seek(f.tell() - 1, os.SEEK_SET)
+                f.truncate()
+                f.write(',\n')
+            f.write(json.dumps(data, indent=indent)[1:-1] + '\n}')
+    except Exception as e:
+        raise ValueError(f"Json save failed:{e}")
+    finally:
+        fcntl.flock(f, fcntl.LOCK_UN)
+        lock.release()
+
+def initialize_output_json():
+    dump_path = DumpUtil.dump_path
+    check_file_or_directory_path(dump_path,True)
+    files = ['forward_info.json', 'backward_info.json', 'stack_info.json']
+    for file in files:
+        file_path = os.path.join(dump_path, file)
+        if os.path.exists(file_path):
+            raise ValueError(f"file {file_path} already exists, please remove it first or use a new dump path")
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