He used to be the head of the law department of Minzu University of China and the head of the law department of Beijing Business School. He is currently the Dean of the School of Law (Marxist College) of Beijing Technology and Business University, and a member of the Academic Committee, Degree Committee and Professional Title Evaluation Committee of Beijing Technology and Business University. He is also a part-time professor at China University of Political Science and Law, a visiting professor at National Prosecutor College and a visiting professor at Shanghai University of Political Science and Law. Former Minister Excellent Expert of Ministry of Internal Trade, Member of Lawyers and Judicial Guidance Working Committee of China Ministry of Justice, Director of China Civil Law Research Association, Director of China Legal Education Research Association, Director of China Behavioral Law Research Association, Director of China National Law Research Association, Vice President and Executive Director of Beijing Civil and Commercial Law Research Association, Distinguished Expert of Grass-roots Work Department of China Ministry of Justice, Director of Beijing Law Society, Editor-in-Chief of Law Magazine, Distinguished Expert of People's Procuratorate of Xicheng District, Beijing, Arbitrator of Weihai Arbitration Committee of Shandong Province and Arbitrator of Xiamen Arbitration Committee of Fujian Province. Civil law teachers, political and legal heroes, famous teachers from three schools and other famous judicial examination schools signed contracts with civil law lecturers.