1953- 1954 afforestation major of Beijing Forestry College.
1953- 1954 Beijing Russian Institute studied in the Soviet Preparatory Department.
1954- 1957, majoring in afforestation in Beijing Forestry College.
1957- 1978 as a teaching assistant of Beijing Forestry College.
1979- 1983 The Forestry Department of Vienna Agricultural University, Austria, received a doctorate in waste logistics management.
1978- 1983 Lecturer of Beijing Forestry College.
1983- 1986 Associate Professor, Department of Soil and Water Conservation, Beijing Forestry College, curator of the school library.
1986 Professor of Soil and Water Conservation, Beijing Forestry College.
1987- 1990 director of the department of soil and water conservation, Beijing Forestry University.
65438-0990 worked as a doctoral supervisor in the School of Soil and Water Conservation, Beijing Forestry University.
1993- 1996 Dean, School of Soil and Water Conservation, Beijing Forestry University.
1989- 1990 was hired as a professor at the international erosion and sediment training center.
1990 was employed as a teacher in the Asia-Pacific Rural Forestry Training Center.
1989 was hired as the consultant of the international erosion and sediment training center.
1993- 1995 was hired as the consultant of the negotiating committee of the International Convention to Combat Desertification.
1994 was employed as a member of the Senior Expert Advisory Group of the Coordination Group for Combating Desertification in China.
1996 general manager of the teaching reform research project of environmental protection specialty in national agricultural and forestry colleges.