diff --git a/components/form/style/index.less b/components/form/style/index.less
index a60f9a54f6..943fee3d3b 100644
--- a/components/form/style/index.less
+++ b/components/form/style/index.less
@@ -249,15 +249,14 @@ form {
 
 // Form layout
 //== Vertical Form
-.@{form-prefix-cls}-vertical {
-  .@{form-prefix-cls}-item-label {
-    padding: 0 0 8px;
-    display: block;
-    text-align: left;
+.@{form-prefix-cls}-vertical .@{form-prefix-cls}-item-label,
+.@{ant-prefix}-col-24.@{form-prefix-cls}-item-label {  // when labelCol is 24, it is a vertical form
+  padding: 0 0 8px;
+  display: block;
+  text-align: left;
 
-    label:after {
-      content: '';
-    }
+  label:after {
+    content: '';
   }
 }