1984 graduated from Wuxi university of light industry, a national key discipline, majoring in fermentation engineering, and has been engaged in the teaching and research of fermentation engineering and enzyme engineering. 199 1- 1992 Department of Agriculture, University of Tokyo, Japan 1 year; 2001-In 2002, the research was conducted in the Laboratory of Applied Life Specialization Fermentation Physiology of Kyoto University, Japan, and in 2005, the research was conducted in Oregon State University, USA.