In recent years, he has been engaged in the research on urban communities and migrant workers, presided over many national social science fund projects and provincial and ministerial-level projects, and published monographs such as China Refugee History (Ancient), Population Migration and Urban Development in Britain (1500- 1750), Urban Community Welfare in China, and Research on the Protection of Migrant Workers' Rights and Interests in China, with the following translations. Published more than 50 academic papers.