Floating populations faces the problem of social network reconstruction in their destination areas. So, how does the reconstruction of the social network affect the entrepreneurial activities of the floating population? What are the paths to reconstruct the social network of the migrants? Based on China migrants dynamic survey in 2017, logit, OLS, and Possion regression methods are used to analyse the mechanism between social network and entrepreneurial performance. Eprobit and PSM methods are used to solve the endogenous problem. The study found that:1) townspeople townspeople associations, alumni associations, and hometown chambers of commerce are important channels for the reconstruction of the social network of migrants in the destination areas. 2)The reconstruction of social network has a significant role in promoting migrants ’ entrepreneurial choices, especially to promote the migrant population to choose opportunistic entrepreneurship. The inherent logic is that participating in activities such as townspeople townspeople associations and hometown chambers of commerce helps the migrant population identify entrepreneurial opportunities, increases credit availability, and accelerates administrative approval.3) Social network reconstruction can significantly improve the entrepreneurial performance of the floating population in their destination areas. Entrepreneurs who participate in townspepople townspepople associations, alumni associations, and hometown chambers of commerce have individual monthly incomes 10. 3%, 8. 6%, and 24. 4% higher than those who do not participate in the activities of the corresponding organization. With the increasing in the number of activities, their personal monthly income is also increasing compared with entrepreneurs who do not participate in organized activities. This article proposes countermeasures and suggestions to improve the entrepreneurial possibility of the floating population and improve the entrepreneurial performance from the level of the floating population, the entrepreneurial- related policy level, and the organizational level of the townspeople townspeople association, alumni association, and the hometown chamber of commerce.
