This article focuses on the study of the macro and interdisciplinary aspects of the sharing economy. Based on the perspective of social networks, the overall evaluation of the development of this new economic form is carried out, with a view to exploring the sound development of the sharing economy with a new perspective of sociology. First of all, the sharing economy has changed the structure and relationships of social networks. However, social networks have negative effects on trust mechanism, heterogeneous connection, social governance, individual autonomy and capital circulation in the considerable changes. Based on the concern for these negative effects, this article still launches the development strategy of the sharing economy in the aspects of traditional relations, institutional supply, lowering barriers, abandoning inertia, and identifying social capital from the perspective of social network.