This study selected sample of 500 rural migrant workers in Beijing families and empirically studies the psychological characteristics of migrant workers in the process of integrated into the city. Studies have found that migrant workers psychological characteristics in four aspects：The underlying psychology，The traveler psychology，the frontier psychology and the conservative psychology，psychological performance is poor. On this basis，the analysis of causes of poverty psychology，proposed remodeling rural migrant workers in social psychology by adjusting the social structure and reconstructing social action.