Abstract: Using Survey on Social Integration Population conducted by the National Population and Family Planning Commission of China in 2013, The research explores the impact of the family migration on the migrants’ subjective willingness of community integration and its mechanism. The study finds, as a whole migrants’ subjective willingness of community integration still stays at a low level. However, comparing with individual migration, family migration has a more significant impact on migrants’ subjective willingness of community integration. To some degree, the reason is that family migration contains emotional support effect. The research also offers policy implications from the perspectives of improving policy guarantee for the migrant family and utilizing the guiding function of community.