1986.7-1988.12 served as the office clerk of the political department of the Ministry of Public Security.
1988.12-1993.2 served as deputy director and director of the cadre department of the political department of the Ministry of public security.
1993.2- 1993.9 served as the director of the research office of the political department of the Ministry of public security.
1993.9- 1996.4 deputy director of the research office of the political department of the Ministry of public security,
1996.4-1996.10 served as the deputy director of the comprehensive department of the personnel bureau of the political department of the Ministry of public security.
1996.10-1998.9 director of the comprehensive department of the personnel department of the political department of the Ministry of public security,
/kloc-0 1998.9--2002.4 Deputy Director of the Research Office of the Political Department of the Ministry of Public Security (director level),
1999.2-2000.3 proposed to be deputy director of public security bureau of Cangzhou City, Hebei Province.
From April 2002 to April 2009, he served as deputy director of the Personnel Training Bureau of the Political Department of the Ministry of Public Security.
August 2006-July 2008, Master of International Politics, China Renmin University,
2009. 10- 20 15.7 Deputy Director of the Personnel Training Bureau of the Political Department of the Ministry of Public Security (bureau level),
20 15.7—— Party Secretary of People's Public Security University of China