Since the implementation of"yuntaigou"service platform for four years,it has played an important role in the work of library readers’recommendation and purchase.This paper selects 8 university libraries in China as the objects of investigation,analyzes the current situation of the library homepages,WeChat public platform service contents,effects,recommendation rules,and disadvantages,and puts forward suggestions on improving the management and operation mechanism of resource publicity,improving the service ability of WeChat public platform,sti...