diff --git a/tools/migratedb/migratedb.py b/tools/migratedb/migratedb.py
new file mode 100644
index 0000000..de85e8c
--- /dev/null
+++ b/tools/migratedb/migratedb.py
@@ -0,0 +1,64 @@
+# -*- coding: utf-8 -*-
+#!/usr/bin/python
+
+import pymysql
+import hashlib
+import json
+import urllib.request
+import base64
+import time
+import datetime
+import redis
+import os
+import functools
+
+CONFIG_DIR = '.'
+context = {
+    'channel': 0,
+    'dbname_prefix': ''
+}
+
+def md5Str(data):
+    m = hashlib.md5()
+    m.update(data)
+    return m.hexdigest()
+
+def fetchAllAccount(context, db_conf, all_account_hash):
+    for conf in db_conf:
+        conn = pymysql.connect(host = conf['host'],
+                               port = conf['port'],
+                               user = conf['user'],
+                               passwd = conf['passwd'],
+                               db = context['dbname_prefix'] + str(conf['instance_id']),
+                               charset = 'utf8'
+        )
+        cursor = conn.cursor()
+        last_idx = 0
+        while True:
+            cursor.execute('SELECT idx, accountid FROM user '
+                           'WHERE idx > %s AND accountid LIKE "%s_\%" LIMIT 0, 10000;' %
+                           (last_idx,
+                            context['dbname_prefix']
+                           ))
+            has_data = False
+            for row in cursor:
+                has_data = True
+                all_account_hash[row[1]] = {
+                    'md5' : md5Str(row[1])
+                }
+                if row[0] > last_idx:
+                    last_idx = row[0]
+            if not has_data:
+                break
+
+def main():
+    global context
+    db_conf = json.loads(open(CONFIG_DIR + '/mysql_list.json', 'r').read())
+    redis_conf = json.loads(open(CONFIG_DIR + '/redis_list.json', 'r').read())
+    db_rule_conf = json.loads(open(CONFIG_DIR + '/mysql_rule.json', 'r').read())
+    redis_rule_conf = json.loads(open(CONFIG_DIR + '/redis_rule.json', 'r').read())
+    all_account_hash = {}
+    fetchAllAccount(context, db_conf, all_account_hash)
+
+if __name__ == "__main__":
+    main()
diff --git a/tools/migratedb/redis_rule.json b/tools/migratedb/redis_rule.json
new file mode 100644
index 0000000..ddc0dd3
--- /dev/null
+++ b/tools/migratedb/redis_rule.json
@@ -0,0 +1,6 @@
+[
+  {
+    "key_prefix": "",
+    "pattern": "md5"
+  }
+]