200 1 began to engage in postdoctoral research in Nanjing university, and was the leader of civil law discipline. Peer review expert of national social science fund application project, member of Hubei experts and scholars report group, executive director of Hubei Real Estate Economic Society, executive director of Hubei Geographical Society, expert of bidding and evaluation of state-owned land use right in Wuhan, executive director of Wuhan Shanghai shanghai real estate appraisers association, and member of expert group. The main research field is land law. From August 2006 to August 2007, supported by the National Scholarship Fund Committee, he conducted a visiting study at the University of California, Berkeley. The main research areas are land policy and land law. Editor-in-chief of 3 textbooks (including "Eleventh Five-Year" national textbooks for general higher education 1 department), published 2 monographs, and published academic papers 107 in journals above the provincial level. The research results were included in EI 1 article and ISTP 1 article.