Urban integration of migrant workers is the important subject in urbanization construction.With the help of job embeddedness concept in employee’s leaving their post,this paper analyzes the matching,connection and sacrifice of migrant workers’ job embeddedness from two aspects of organization and community.This paper,regarding job embeddedness as the dependent variable,proactive personality as independent variable,surveys 402 migrant workers in such 5 cities as Nanjing,Zhenjiang,Changzhou,Wuxi and Suzhou by using multivariate regression methods to test the research hypothesis.The result shows that proactive personality,organization and community of migrant workers’ embedded matching,sacrifice dimensions show significantly positive correlation,which shows significantly negative correlation with organizations,and community connections are not related.The city venture willing of migrant workers plays an intermediary role between proactive personality and job embeddedness.