diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go
index 54e49d194a22c..9a0c782a206c7 100644
--- a/executor/explainfor_test.go
+++ b/executor/explainfor_test.go
@@ -139,6 +139,10 @@ func TestExplainForVerbose(t *testing.T) {
 			require.Equal(t, rs2[i][j], rs[i][j])
 		}
 	}
+	tk.MustQuery("explain format = 'verbose' select * from t1").Rows()
+	tk.MustQuery("explain format = 'VERBOSE' select * from t1").Rows()
+	tk.MustQuery("explain analyze format = 'verbose' select * from t1").Rows()
+	tk.MustQuery("explain analyze format = 'VERBOSE' select * from t1").Rows()
 }
 
 func TestIssue11124(t *testing.T) {
diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go
index 6b5085130e31e..d8835356e0f4c 100644
--- a/planner/core/common_plans.go
+++ b/planner/core/common_plans.go
@@ -1504,14 +1504,14 @@ func (e *Explain) prepareOperatorInfo(p Plan, taskType, driverSide, indent strin
 	var row []string
 	if e.Analyze || e.RuntimeStatsColl != nil {
 		row = []string{id, estRows}
-		if e.Format == types.ExplainFormatVerbose {
+		if strings.ToLower(e.Format) == types.ExplainFormatVerbose {
 			row = append(row, estCost)
 		}
 		actRows, analyzeInfo, memoryInfo, diskInfo := getRuntimeInfo(e.ctx, p, e.RuntimeStatsColl)
 		row = append(row, actRows, taskType, accessObject, analyzeInfo, operatorInfo, memoryInfo, diskInfo)
 	} else {
 		row = []string{id, estRows}
-		if e.Format == types.ExplainFormatVerbose {
+		if strings.ToLower(e.Format) == types.ExplainFormatVerbose {
 			row = append(row, estCost)
 		}
 		row = append(row, taskType, accessObject, operatorInfo)