diff --git a/tests/system-test/1-insert/db_tb_name_check.py b/tests/system-test/1-insert/db_tb_name_check.py
new file mode 100644
index 0000000000..6418e0aa40
--- /dev/null
+++ b/tests/system-test/1-insert/db_tb_name_check.py
@@ -0,0 +1,84 @@
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+###################################################################
+#           Copyright (c) 2016 by TAOS Technologies, Inc.
+#                     All rights reserved.
+#
+#  This file is proprietary and confidential to TAOS Technologies.
+#  No part of this file may be reproduced, stored, transmitted,
+#  disclosed or used in any form or by any means other than as
+#  expressly provided by the written permission from Jianhui Tao
+#
+###################################################################
+
+# -*- coding: utf-8 -*-
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+from util.common import *
+
+class TDTestCase:
+    
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+        self.special_name = ['!','@','#','$','%','^','&','*','(',')','[',']','{','}',\
+                            ':',';','\'','\"',',','<','>','/','?','-','_','+','=','~']
+    def db_name_check(self):
+        dbname = tdCom.getLongName(10)
+        for j in self.special_name:
+            for i in range(len(list(dbname))+1):
+                new_dbname = list(dbname)
+                new_dbname.insert(i,j)
+                dbname_1 = ''.join(new_dbname)
+                tdSql.execute(f'create database if not exists `{dbname_1}`')
+                tdSql.query('show databases')
+                tdSql.checkEqual(tdSql.queryResult[2][0],str(dbname_1))
+                tdSql.execute(f'drop database `{dbname_1}`')
+        for i in range(len(list(dbname))+1):
+            new_dbname = list(dbname)
+            new_dbname.insert(i,'.')
+            dbname_1 = ''.join(new_dbname)
+            tdSql.error(f'create database if not exists `{dbname_1}`')
+
+    def tb_name_check(self):
+        dbname = tdCom.getLongName(10)
+        tdSql.execute(f'create database if not exists `{dbname}`')
+        tdSql.execute(f'use `{dbname}`')
+        tbname = tdCom.getLongName(5)
+        special_name = self.special_name
+        special_name.append('.')
+        for i in special_name:
+            for j in range(len(list(tbname))+1):
+                tbname1 = list(tbname)
+                tbname1.insert(j,i)
+                new_tbname = ''.join(tbname1)
+                for sql in [f'{dbname}.`{new_tbname}`',f'`{new_tbname}`']:
+                    tdSql.execute(f'create table {sql} (ts timestamp,c0 int)')
+                    tdSql.execute(f'insert into {sql} values(now,1)')
+                    tdSql.query(f'select * from {sql}')
+                    tdSql.checkRows(1)
+                    tdSql.execute(f'drop table {sql}')
+                    
+    def run(self):
+        self.db_name_check()
+        self.tb_name_check()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())