diff --git a/tests/system-test/1-insert/keep_expired.py b/tests/system-test/1-insert/keep_expired.py
new file mode 100644
index 0000000000000000000000000000000000000000..09db1e45ba5c0ebab7d9054b43fa722e6ff0084c
--- /dev/null
+++ b/tests/system-test/1-insert/keep_expired.py
@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+
+from util.log import *
+from util.cases import *
+from util.sql import *
+import time
+
+
+class TDTestCase:
+    def init(self, conn, logSql):
+        tdLog.debug("start to execute %s" % __file__)
+        tdSql.init(conn.cursor(), logSql)
+        self.dbname = "test"
+        self.stbname = "stb"
+        self.ctbname = "ctb"
+        self.keep_value = "2d,2d,2d"
+        self.duration_value = "1d"
+        self.offset_time = 5
+        self.sleep_time = self.offset_time*2
+
+    def run(self):
+        tdSql.execute(f'create database if not exists {self.dbname} duration {self.duration_value} keep {self.keep_value};')
+        tdSql.execute(f'create table {self.dbname}.{self.stbname} (ts timestamp, c11 int) TAGS(t11 int, t12 int );')
+        tdSql.execute(f'create table {self.dbname}.{self.ctbname} using {self.dbname}.{self.stbname} TAGS (1, 1);')
+        expired_row_ts = f'now-{int(self.keep_value.split(",")[0].replace("d", "")) * 86400 - self.offset_time}s'
+        tdSql.execute(f'insert into {self.dbname}.{self.ctbname} values ({expired_row_ts}, 1);')
+        tdSql.query(f'select * from {self.dbname}.{self.ctbname}')
+        tdSql.checkEqual(tdSql.queryRows, 1)
+        time.sleep(self.offset_time * 2)
+        tdSql.query(f'select * from {self.dbname}.{self.ctbname}')
+        tdSql.checkEqual(tdSql.queryRows, 0)
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success("%s successfully executed" % __file__)
+
+
+tdCases.addWindows(__file__, TDTestCase())
+tdCases.addLinux(__file__, TDTestCase())