1978.12-1980.10 is a three-year postgraduate majoring in veterinary microbiology in Jiangsu agricultural college, and graduated from the Department of Animal Husbandry of Michigan State University with a doctorate one year earlier with the approval of the State Education Commission.
1983.9- 1984.9, visiting scholar, Department of Animal Husbandry, North Dakota State University, USA.
1984.10-1986.1,visiting scholar, Institute of Poultry Diseases and Oncology, USDA.
1988.8-1990.1,Department of Microbiology and Molecular Biology, case western reserve university Medical College, USA, and postdoctoral researcher, Institute of Poultry Diseases and Oncology, USDA.
1990.1-1999 lecturer of Yangzhou university, 1992 promoted professor, 1996 hired as doctoral supervisor.
1999.9- professor and doctoral supervisor, College of Animal Science and Technology, Shandong Agricultural University