The sharing economy has become a new economic form that promotes the high-quality development of China’s economy and society． Taking relevant literature on CNKI as data samples，the Ucinet software was used to analyze the research structure，themes and trends of the sharing economy network from 2000 to 2018． The results show that the shared economic network is relatively sparse and weakly correlated，and the overall network research has no convergent trend． In the nodal network，“sharing economy”“sharing bicycle”“business model”“blockchain”and“Internet finance”are hot words in research and play different roles in the sharing economy network; The six research themes focus on the five modules of concept and characteristics，application，technology，marketand law; Further analysis indicates that future research should focus on the origin of sharing economy theory，application prospect and future development path，practical technical problems，government and legal regulation and moral security． In addition，the current research in this field is mainly about the micro aspect，and we should pay more attention to the macro aspect and the interdisciplinary field in the future．