Position: 1984- 1986 chief translator of China patent document bulletin-medical and health volume 1988- 199 1 year as factory director of Hunan medical university 1992-2000. Deputy Director of State Key Laboratory, Executive Deputy Director of Gene Drug Research Center of Central South University, 2002 -2003, Deputy Director of National Talent Training Base for Life Sciences and Technology, 2004-2005, Vice President of School of Biological Sciences and Technology of Central South University, 2003- present, Director of Department of Animal and Developmental Biology and Director of Biological Laboratory.