1975 ——1977 secretary of jijiayuan township government, Xiangning county, Shanxi province;

1978 ——1982 studied in the Department of Agricultural Economics of Southwest Agricultural University;

1990 received a doctorate in economics from Northwest Agricultural University;

1990- 1992 Associate Professor of Northwest Agricultural University and Deputy Director of Rural Economic Research Institute.

1993- 1994 Professor, Department of Agricultural Economics, Shenyang Agricultural University;

1since August, 1994, he has served as professor, doctoral supervisor, director and assistant director of the Institute of Agricultural Economics of China Academy of Agricultural Sciences;

1995 was approved by the Ministry of agriculture as "young and middle-aged experts with outstanding contributions";

1996 was identified by the Ministry of personnel as a first-class and second-class candidate for the "National Million Talents Project";

1997 senior visiting scholar in the Netherlands;

1998 so far, he has served as an investigator of the Rural Bureau of the Policy Research Office of the CPC Central Committee;

1998 was selected by the Central Organization Department as a member of the "National Investigation Team of Young Experts" and was received by Comrade Hu Jintao;

In 2002, he served as deputy director of the Rural Economic Research Bureau of the Policy Research Office of the CPC Central Committee;

In 2009, he served as director of the Rural Bureau of the Policy Research Office of the CPC Central Committee.