1990.07—— 1994.07 worked in the secretarial section of the president's office of Henan Normal University.
1994.07—— 1997.06 secretary and deputy director of the president's office of Henan Normal University (1993.09 —— 1996.07 studied philosophy of science and technology at the Institute of Science, Technology and Society of Henan University and obtained a master's degree).
1997.06—— 1999.07 Chief, Secretarial Section, President's Office of Henan Normal University.
1999.07——2002.08 Ph.D. student majoring in foreign philosophy, Department of Philosophy, School of Humanities, Wuhan University.
2002.08——2002. 10 Assistant researcher, Organization Department, Zhengzhou Municipal Committee, Henan Province.
2002. 10——2004.06 Deputy Head of Erqi District, Zhengzhou City, Henan Province.
2004.06—2006.04 Deputy Secretary of Dengfeng Municipal Committee of Henan Province.
2006.04—2009.02 Member of the Standing Committee of Xinzheng Municipal Committee of Henan Province and Secretary of the Discipline Inspection Commission.
2009.02—— Deputy Director of Supervision Department of Henan Province (one year's probation).