diff --git a/packages/field/index.ts b/packages/field/index.ts
index 48092155..09c5763d 100644
--- a/packages/field/index.ts
+++ b/packages/field/index.ts
@@ -76,6 +76,13 @@ VantComponent({
       const { value = '' } = event.detail || {};
 
       this.value = value;
+
+      const { maxlength } = this.data;
+      if (maxlength !== -1 && value.length > maxlength) {
+        this.value = value.slice(0, maxlength);
+        event.detail.value = this.value;
+      }
+
       this.setShowClear();
 
       this.emitChange(event.detail);