1985.07- 1988.08 police of Beijing Public Security Bureau;
1988.08- 1994.08 Member of the Criminal Police Brigade of Puyang Public Security Bureau;
1994.08-1997.11Deputy Chief of the Criminal Police Brigade of Puyang Public Security Bureau;
1997. 12-2000.08 captain of the first brigade of the criminal police detachment of Puyang Public Security Bureau;
2000.08-2003.12 Deputy detachment leader of criminal police detachment of Puyang Public Security Bureau;
2003.12-2006.05438+0 Deputy detachment leader of Economic Investigation Detachment of Puyang Public Security Bureau (deputy county level);
2006.0 1-2007. 12 Director of Hualong Branch of Puyang Public Security Bureau (deputy county level);
2007. 12—— Member of the Party Committee of Puyang Public Security Bureau and Director of Hualong Branch (deputy county level).