Abstract: The relevance ranking technology is a core technology of the search engine result reduction,and the ranking algorithm is directly influence the accuracy ratio.At first,this article points out the good and bad points of the existing ranking algorithm,then it emphatically analyzes the effects of the different ranking algorithm on the accuracy ratio.At last it proposes one kind of advanced  ranking algorithm according to these similarities and differences of these methods.

Key words: relevance ranking, accuracy ratio, PageRank, anchor text