(1)1996.07 ~1998.12 studied in the postdoctoral mobile station of Southwest Jiaotong University and obtained the postdoctoral certificate;

(2)1992.07 ~1996.07, Ph.D. student of Chongqing University, doctor of engineering;

(3)1990.09 ~1992.07, graduate student of Chongqing University, continuing his studies without examination;

(4)1986.09 ~1990.07, bachelor of engineering, Chongqing University.