198 1- 1985 Department of Animal Husbandry and Veterinary Medicine, Huazhong Agricultural University, majoring in animal husbandry, with a bachelor's degree in agriculture.

1985- 199 1 year, graduated from the Department of Animal Husbandry of Beijing Agricultural University with a doctorate in agriculture.

1990- 199 1 year, Ph.D. student, Lovett Institute, University of Aberdeen, UK.

1992-200 1 year, Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, China Agricultural University, engaged in teaching and scientific research.

200 1-2002, Visiting Professor, North Carolina State University, USA.

Since March 2002, I have been engaged in teaching and scientific research in the Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, China Agricultural University.