<div class="outer_div"> <div class="inner_div"> <div>我是内容</div> </div></div>.outer_div { position: relative; overflow: hidden; width: 200px; height: 200px;}.inner_div { position: absolute; left: 10px; right: -20px; top: 0; bottom: 0; overflow-x: hidden; overflow-y: scroll;}ok，有了以上的代码就可以轻松的实现效果啦！