diff --git a/packages/vant-css/src/field.css b/packages/vant-css/src/field.css
index a833c5419..f5f4beddf 100644
--- a/packages/vant-css/src/field.css
+++ b/packages/vant-css/src/field.css
@@ -56,6 +56,7 @@
 
   &__clear {
     color: $gray;
+    font-size: 16px;
   }
 
   &__icon .van-icon {