Abstract: The multi-stage dynamic game theory model of social risks in migrant workers' social integration is conducted， and the unreasonable resources endowment and the resultant social risksexperienced by the new-generation migrant workers are explored. The constrains of migrant workers in choosing struggle or compromise strategies are put forward when the government takes different strategies， and the generation mechanisms of short-term and long-term social risks are analyzed. The results indicate that apart from the psychological balance of the migrant worker group， there turns gap of different strategies taken by the migrant worker group and the attitude of the government are key factors for influencing social risks.

Key words: new-generation migrant worker, social integration, social risk, dynamic game theory