Abstract: Nowadays, microblogging has become an important way to share and propagate information. With rapid expansion of information in the microblogging sites, how to identify influential users is of important theoretical value and practical significance. In this study, an algorithm WeiboerRank based on Page Rank is proposed to rank the influence of users in the microblogging sites. It effectively combines user’s influence on the followers, the influence on others by the followers and the influence brought by reposting. Compared with the existing work, WeiboerRank can measure the influence of users more effectively.