diff --git a/packages/vant-css/src/field.css b/packages/vant-css/src/field.css
index 841441689..2e0543037 100644
--- a/packages/vant-css/src/field.css
+++ b/packages/vant-css/src/field.css
@@ -11,6 +11,7 @@
 
   &__control {
     border: 0;
+    margin: 0;
     padding: 0;
     display: block;
     width: 100%;