Abstract: Migrant workers' children is a new group emerging in the process of social transformation.Their social adaptation has an important significance on the healthy growth of the group.This study, based on a social work intervention project which relies on ecological systems theory, describes and reflects the social work intervention strategies from the case, group and community levels, and explores how to explore and mobilize the capability and resources of migrant workers' children and their families, schools, peers, community, urban society through social work intervention;thus, to improve their social adaptive capacity.