diff --git a/components/back-top/style/index.less b/components/back-top/style/index.less
index d37017eb54..27d59ff6df 100644
--- a/components/back-top/style/index.less
+++ b/components/back-top/style/index.less
@@ -36,3 +36,5 @@
     background: url(data:image/png;base64,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) ~"100%/100%" no-repeat;
   }
 }
+
+@import './responsive';
diff --git a/components/back-top/style/responsive.less b/components/back-top/style/responsive.less
new file mode 100644
index 0000000000..7b21a85009
--- /dev/null
+++ b/components/back-top/style/responsive.less
@@ -0,0 +1,11 @@
+@media screen and (max-width: @screen-md) {
+  .@{backtop-prefix-cls} {
+    right: 60px;
+  }
+}
+
+@media screen and (max-width: @screen-xs) {
+  .@{backtop-prefix-cls} {
+    right: 20px;
+  }
+}