网上的解决方案: From:http://codingforums.com/showthread.php?t=95109 (a) place Flash embed script in <div> container (I use SWFObject.js)[将flash嵌入脚本放到一个div容器中] (b) add wmode=transparent to Flash embed script[增加wmode=transparent 到flash嵌入脚本] (c) set <div id="flashcontent"> container with z-index:-1; [将外层容器的z-index设置为-1] (d) set <body> tag with style .. position:relative;left:0px;top:0px;z-index:0; (otherwise Firefox does not accept negative z-index) (e) set floating iframe in container with z-index: 99;[将浮动的iframe在容器中的zindex设置为99] (f) use CSS to position flashcontent and htmlcontent containers.[使用css来调整flash容器和html容器的位置]