Abstract: Business value of knowledge sharing(KS) refers to the economic influence KS has on the business operations.In order to clarify the research progress,mainstream conclusions,existing problems,and potential trends,this paper uses the methods of analysis,comparison and integration,for literature study.It summarizes the definitions and structures of KS,as well as the beginning of its business value study.After reviews the impact KS has on both the firm performance and the strategic resource,the results show that the structure and the business value realization mechanism of KS need to be further explored.Moreover,specific rules concerning the commercial value of KS should be discussed in detail.