1974.09—— 1978.03, Department of Traditional Chinese Medicine, Beijing College of Traditional Chinese Medicine;
1978.03—— 1980.05, working in the duty room of the general office of the Ministry of Health;
1980.05 ——1983.11,Director of the State Administration of Medicine;
1983.11——1988.09, Deputy Secretary, Deputy Director and Director of the Secretariat of the General Office of the State Family Planning Commission;
1988.09— 1994.05, Deputy Director of the General Office of the State Family Planning Commission (during this period:1990.03—1991.03, a visiting researcher at the National Institute of Public Health of the Japanese Ministry of Health and Welfare);
1994.05—— 1996.03, Director of the General Office of the State Family Planning Commission (during this period: 1995.03 —— 1995.07, the Central Party School attended the advanced training course for cadres at the prefecture level);
1996.03—— 1998.07, Director of the Policy and Regulation Department of the State Family Planning Commission;
1998.07——2000. 12, Director of Planning and Finance Department of the State Family Planning Commission (during this period: 1997.06 —— 2000.06, postgraduate majoring in demography of Jilin University studied on the job and obtained a master's degree in law; 1999.07—2000.07 Deputy Secretary of Jiaozuo Municipal Committee of Henan Province);
2000. 12——2002.0 1, member of the party group, deputy director and director of the Planning and Finance Department of the State Family Planning Commission;
2002.0 1——2003.03, member of the party group and deputy director of the State Family Planning Commission;
2003.03—2003.09, member and deputy director of the Party Group of the National population and family planning commission;
2003.09—2007.0 1, member of the party group and deputy director of the National Population and Family Planning Commission, secretary of the Party Committee of directly under the authority, president of the Party School of the government (2002.06 and executive vice president of the China Population Society, 2007.0/2 and vice president of the China Population Society);
2007.0 1——20 13.04, member and deputy minister of the party group of the Ministry of Health, secretary and director of the party group of state administration of traditional chinese medicine (during the period: from September 2003 to June 2007, doctoral students majoring in population resources and environmental economics in Jilin University studied on the job and obtained a doctorate in economics).
20 13.04—— Deputy Director of the National Health and Family Planning Commission and member of the Party Group.
Representatives of the 16th, 17th and 18th CPC National Congress, and members of the 11th and 12th CPPCC National Committee.