199 1 year 10-1996, worked in the security department of Yanshan university (Yanshan university police station) as a household registration and administrative back office;

1April 1992-1June 1995, graduated from Langfang Armed Police College, Hebei Province, majoring in public security management;

1998 -2003 Graduated from Public Security Management College of Chinese People's Armed Police Force;

1996 —— In March 2007, he was a member of the General Section of the Security Department;

Since March 2007, he has been the chief of the Political Security Household Registration Section of the Security Department of Yanshan University.