Tian Pingan once served as deputy director of graduate department, deputy secretary of the Party Committee, secretary of the Disciplinary Committee and vice president of Southwest University of Political Science and Law, and vice president and party secretary of Southwest University of Political Science and Law.

He used to be president of Southwest University of Political Science and Law, director of the Teachers' Position Evaluation Committee, director of the academic committee, director of academic degree evaluation committee, and leader of the leading group for professional title reform. He is currently a professor and doctoral supervisor at Southwest University of Political Science and Law. He is also the deputy director of china law society Civil Procedure Law Committee, China Higher Education Management Research Association, chief legal adviser of Chongqing Municipal People's Government, deputy director of Chongqing CPPCC Social Legal Committee, vice president of Chongqing Social Science Society, vice president of Chongqing People's Congress System Research Association, vice president of Chongqing Higher Education Management Research Association, vice director of Chongqing Arbitration Committee, vice president of Chongqing Law Society and president of Chongqing Administrative Law Research Association.