1982 graduated from Chengdu University of Technology, majoring in computer science, 1982- 1985 taught in Sichuan Institute of Light Chemical Industry. 1985 to 1988, studying for a master's degree at University of Electronic Science and Technology of China. 1988- 1993 taught in Sichuan institute of light chemical engineering, and 1992 was awarded the title of excellent teacher of the school. 1993 ~ 1997, School of Computer Science, University of Electronic Science and Technology of China, studying for a doctorate, graduated from 1997, and has been in this school ever since.