The paper first introduced the topic search strategy and the popular strategy of heuristic search. The A＊ search strategy is discussed a lot. A new type of search algorithm based on search and web links is proposed in this paper. At last, with the experiment, the best priority and A ＊ search comparison, the paper drew the conclusion.%介绍目前较为常用的启发式搜索策略，重点探讨A＊搜索策略，在此基础上提出一种改进的基于启发搜索与网页链接和内容相关度结合起来的新型主题搜索算法．最后通过实验对新算法和最好优先以及A＊搜索进行比较。
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