diff --git a/tests/system-test/1-insert/create_table_comment.py b/tests/system-test/1-insert/create_table_comment.py
new file mode 100644
index 0000000000..92ea083c5a
--- /dev/null
+++ b/tests/system-test/1-insert/create_table_comment.py
@@ -0,0 +1,113 @@
+###################################################################
+#           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 -*-
+
+import random
+import string
+from util.log import *
+from util.cases import *
+from util.sql import *
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor())
+
+    def get_long_name(self, length, mode="mixed"):
+        """
+        generate long name
+        mode could be numbers/letters/letters_mixed/mixed
+        """
+        if mode == "numbers":
+            population = string.digits
+        elif mode == "letters":
+            population = string.ascii_letters.lower()
+        elif mode == "letters_mixed":
+            population = string.ascii_letters.upper() + string.ascii_letters.lower()
+        else:
+            population = string.ascii_letters.lower() + string.digits
+        return "".join(random.choices(population, k=length))
+
+    def __create_tb(self,dbname,stbname,tbname,comment):
+        tdSql.execute(f'create database if not exists {dbname}')
+        tdSql.execute(f'use {dbname}')
+        tdSql.execute(
+            f'create table {stbname} (ts timestamp,c0 int) tags(t0 int) ')
+        tdSql.execute(
+            f'create table {tbname} using {stbname} tags(1) comment "{comment}"')
+    def __create_normaltb(self,dbname,tbname,comment):
+        tdSql.execute(f'create database if not exists {dbname}')
+        tdSql.execute(f'use {dbname}')
+        tdSql.execute(
+            f'create table {tbname} (ts timestamp,c0 int) comment "{comment}"')
+
+    def check_comment(self):
+        dbname = self.get_long_name(length=10, mode="letters")
+        ntbname = self.get_long_name(length=5, mode="letters")
+
+        # create normal table with comment
+        comment = self.get_long_name(length=10, mode="letters")
+        self.__create_normaltb(dbname,ntbname,comment)
+        ntb_kv_list = tdSql.getResult("show tables")
+        print(ntb_kv_list)
+        tdSql.checkEqual(ntb_kv_list[0][8], comment)
+        tdSql.error('alter table {ntbname} comment "test1"')
+        tdSql.execute(f'drop database {dbname}')
+
+        # max length(1024)
+        comment = self.get_long_name(length=1024, mode="letters")
+        self.__create_normaltb(dbname,ntbname,comment)
+        ntb_kv_list = tdSql.getResult("show tables")
+        tdSql.checkEqual(ntb_kv_list[0][8], comment)
+        tdSql.execute(f'drop database {dbname}')
+
+        # error overlength
+        comment = self.get_long_name(length=1025, mode="letters")
+        tdSql.execute(f'create database if not exists {dbname}')
+        tdSql.execute(f'use {dbname}')
+        tdSql.error(f"create table ntb (ts timestamp,c0 int) comment '{comment}'")
+        tdSql.execute(f'drop database {dbname}')
+
+        # create child table with comment
+        comment = self.get_long_name(length=10, mode="letters")
+        stbname = self.get_long_name(length=5, mode="letters")
+        tbname = self.get_long_name(length=3, mode="letters")
+        self.__create_tb(dbname,stbname,tbname,comment)
+        ntb_kv_list = tdSql.getResult("show tables")
+        tdSql.checkEqual(ntb_kv_list[0][8], comment)
+        tdSql.error(f'alter table {tbname} comment "test1"')
+        tdSql.execute(f'drop database {dbname}')
+
+        # max length 1024
+        comment = self.get_long_name(length=1024, mode="letters")
+        self.__create_tb(dbname,ntbname,comment)
+        ntb_kv_list = tdSql.getResult("show tables")
+        tdSql.checkEqual(ntb_kv_list[0][8], comment)
+        tdSql.execute(f'drop database {dbname}')
+
+        # error overlength
+        comment = self.get_long_name(length=1025, mode="letters")
+        tdSql.execute(f'create database if not exists {dbname}')
+        tdSql.execute(f'use {dbname}')
+        tdSql.execute(f"create table stb (ts timestamp,c0 int) tags(t0 int)")
+        tdSql.error(f'create table stb_1 us stb tags(1) comment "{comment}"')
+        tdSql.execute(f'drop database {dbname}')
+
+    def run(self):
+        self.check_comment()
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())
\ No newline at end of file
diff --git a/tests/system-test/fulltest.sh b/tests/system-test/fulltest.sh
index 1fbbc9f37e..abc8a81248 100755
--- a/tests/system-test/fulltest.sh
+++ b/tests/system-test/fulltest.sh
@@ -21,6 +21,7 @@ python3 ./test.py -f 1-insert/opentsdb_json_taosc_insert.py
 #python3 ./test.py -f 1-insert/test_stmt_muti_insert_query.py
 python3 ./test.py -f 1-insert/alter_stable.py
 python3 ./test.py -f 1-insert/alter_table.py
+# python3 ./test.py -f 1-inerst/create_table_comment.py
 python3 ./test.py -f 2-query/between.py
 python3 ./test.py -f 2-query/distinct.py
 python3 ./test.py -f 2-query/varchar.py