中文摘要：

通过仔细分析HTML标签的各种性质，提出了几种新的基于标签的隐藏信息的方法。在此基础上，提出并实现了一个基于HTML标签的信息隐藏模型。该模型具有隐藏容量高、隐蔽性、鲁棒性和安全性较好，并且具有弹性，能自动调节隐藏算法的参数，使得在满足容量的前提下，尽量提高隐蔽性。

英文摘要：

After the properties of tags were analyzed carefully, several new method based on tags were developed. Further, more, a model of data hiding based on HTML tags was discussed, which has good performances in capacity, invisibility, robust, and security.