1971.11-1980.02 technician of the Yellow River Diversion Department in Anyang City;

1980.02- 1988.02 Deputy Chief, Public Works Section, Anyang Yellow River Repair and Prevention Office;

1988.02- 1993.02 Director of Flood Control Office of Puyang Yellow River Bureau;

1993.02-2002.11chief engineer of Puyang Yellow River Bureau;

2002. 1 1-2006.07 Deputy Chief Engineer of Puyang Yellow River Bureau;

2006.07—— Now he is an investigator of Puyang Yellow River Bureau.