diff --git a/components/form/style/vertical.less b/components/form/style/vertical.less
index 0b6f2463e02d..8e2249554eee 100644
--- a/components/form/style/vertical.less
+++ b/components/form/style/vertical.less
@@ -2,7 +2,9 @@
 
 // ================== Label ==================
 .make-vertical-layout-label() {
-  margin: @form-vertical-label-margin;
+  & when (@form-vertical-label-margin > 0) {
+    margin: @form-vertical-label-margin;
+  }
   padding: @form-vertical-label-padding;
   line-height: @line-height-base;
   white-space: initial;