1993.05- 1999.04 Work of Political Security Section of Guyuan District Public Security Bureau
1999.04-2003. 10 Chief of Public Security Section, Experimental Branch of Guyuan Public Security Bureau.
2003.10-2007.05 The supervision detachment of Guyuan Public Security Bureau was appointed as the detachment leader.
2007.05-2008.12 served as the detachment leader of domestic public security detachment of Guyuan public security bureau.
2008. 12 Standing Committee of County Party Committee, Party Secretary and Director of Public Security Bureau