Researchers have studied into the great enthusiasm and made fruitful on the research of knowledge sharing in Web2.0 environment.But there are still some limitations, Especiallythe current lack of content-based analysis on the problem of research in the study of knowledge sharing in Web2.0 environment,. In this study, 137 papers on domestic and foreign words for a total of 65 papers term analysis, visual image reveals the Web2.0 environment of kn...