diff --git a/executor/executor_test.go b/executor/executor_test.go
index 5d93cea0dbb50..3fcfc722ce6e7 100644
--- a/executor/executor_test.go
+++ b/executor/executor_test.go
@@ -5939,6 +5939,20 @@ func (s *testSuite) TestSlowQuerySensitiveQuery(c *C) {
 		))
 }
 
+func (s *testClusterTableSuite) TestSlowQueryWithoutSlowLog(c *C) {
+	tk := testkit.NewTestKit(c, s.store)
+	originCfg := config.GetGlobalConfig()
+	newCfg := *originCfg
+	newCfg.Log.SlowQueryFile = "tidb-slow-not-exist.log"
+	newCfg.Log.SlowThreshold = math.MaxUint64
+	config.StoreGlobalConfig(&newCfg)
+	defer func() {
+		config.StoreGlobalConfig(originCfg)
+	}()
+	tk.MustQuery("select query from information_schema.slow_query").Check(testkit.Rows())
+	tk.MustQuery("select query from information_schema.slow_query where time > '2020-09-15 12:16:39' and time < now()").Check(testkit.Rows())
+}
+
 func (s *testSplitTable) TestKillTableReader(c *C) {
 	var retry = "github.com/pingcap/tidb/store/tikv/mockRetrySendReqToRegion"
 	defer func() {
diff --git a/executor/slow_query.go b/executor/slow_query.go
index f0540ed8e496f..f689b42374e41 100644
--- a/executor/slow_query.go
+++ b/executor/slow_query.go
@@ -618,6 +618,9 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st
 	if e.extractor == nil || !e.extractor.Enable {
 		file, err := os.Open(logFilePath)
 		if err != nil {
+			if os.IsNotExist(err) {
+				return nil, nil
+			}
 			return nil, err
 		}
 		return []logFile{{file: file}}, nil