1976, engaged in traffic management, back office and field work, worked as a section chief and director, 1987 served as a deputy detachment leader, 1997 served as a detachment leader, and in 2004 served as deputy director of Changchun Public Security Bureau and traffic police detachment leader. Under his leadership, the traffic police detachment of Changchun Public Security Bureau was awarded the collective first-class merit twice in a row by Jilin Provincial Government and the collective second-class merit by Changchun Municipal People's Government. It is an advanced unit of spiritual civilization in Jilin Province. He was awarded the title of model worker in Jilin Province.