1975.04—— 1984.08 Inspector of Technical Investigation Department of Henan Provincial Public Security Department.
1984.08—— 1988.07 Deputy Director of Technical Investigation Department of Henan Provincial Public Security Department.
1988.07—— 1990.08 Director of Technical Investigation Department of Henan Provincial Public Security Department (1985.09——l988. 10 studied in the junior college class of Chinese language and literature major of Henan Radio and TV University; 1988.08—— 1989.09 served as the director of public security bureau of Ruzhou City, Henan Province)
1990.08—— 1994.04 Deputy Director of Technical Investigation Department of Henan Provincial Public Security Department.
1994.04 ——1998.11Director of Technical Investigation Department of Henan Provincial Public Security Department.
1998.11—— 2004.05 Director of Traffic Management Bureau of Henan Provincial Public Security Department
2004.05—2005.05 Researcher of Henan Provincial Public Security Department (Deputy Department Level)
2005.05-2014.02 Vice Mayor of Kaifeng Municipal People's Government, member of Party Group, Director of Municipal Public Security Bureau and Secretary of Party Committee.
20 14.02—— Up to now, he no longer holds the post of director of Kaifeng Public Security Bureau and secretary of Party Committee, and will step down as deputy mayor of Kaifeng Municipal People's Government.