1973.3 ——1975.5. Secretary of the League Branch of Bajiazi Brigade of Wulin Commune, Jiaohe County, Jilin Province
1975.5 ——1978.8 Workers in Jiaohe Coal Mine Machinery Factory, Jilin Province
1978.9- 1983.7 medical students in Tangshan coal mine medical college
1983.8- 1984.8 Physician, Daanshan Coal Mine Hospital, Beijing Mining Bureau
1984.8-1991.8 Deputy Director of Toxicology Laboratory, Institute of Vocational Medicine, Ministry of Coal (1985.9- 1986.7 School of Public Health, Tongji Medical University)
1991.9-1992.8 deputy director of the scientific research department of the science and technology department of the state family planning commission.
1992.8- 1994.3 director of the scientific research department of the science and technology department of the state family planning commission.
1994.4- 1997.5 deputy director of the scientific research department of the science and technology department of the state family planning commission.
1997.6-200 1.4 Director of Science and Technology Department of the State Family Planning Commission (2000.11-2001.6 Visiting scholar, Harvard School of Public Health, USA)
2001.4-2003.8 Deputy Director of Science and Technology Department of Population and Family Planning Commission.
2003.9-2007.7 Deputy Director, Department of Political Science and Law, National Population and Family Planning Commission (studied in the Graduate School of School of Administration, Renmin University of China from 2002.9 to 2004.7).
2007.7-present Member of the Standing Committee and Deputy Mayor of Baiyin Municipal Committee of Gansu Province.