Abstract: In the framework of improving the quality of urbanization and carrying out the new urbanization construction of people-oriented, the happiness of migrant workers and its influencing factors are of great significance to the balanced development of society. This paper, based on CLDS 2016 data, constructs multiple disorder Logistic models, and empirically analyzes the impact of social network, social trust and social mutual assistance on the well-being of migrant workers. The research found that social network, social trust and social mutual assistance have positive effects on the well-being of migrant workers, among which social trust has the greatest influence. Education can improve the happiness of migrant workers, but there is a “inverted U” structure; in the county workers are positive to happiness, women ’s happiness is significantly higher than men. Therefore, it puts forward policy suggestions such as developing compulsory basic education in rural areas, encouraging migrant workers to participate in the activities of community organizations, establishing good neighborhood relations, widening the social network of migrant workers, and improving the social capital level of employees.