Le Liangjing, Professor of Mathematics Department of Shanghai Jiaotong University. 1969 graduated from the Department of Mathematics and Mechanics of Peking University; 1978- 198 1 used to be a graduate student in the department of mathematics in Peking University, with a master's degree in science; Since 198 1 teaching in Shanghai Jiaotong University; 1993 visiting scholar at the university of essen, Germany; 1996 Up to now, professor of Shanghai Jiaotong University, head of national engineering mathematics teaching base; Since 2000, he has served as a member of the Teaching Committee of Mathematics and Statistics in colleges and universities of the Ministry of Education and deputy director of the Teaching Committee of Basic Mathematics. In 2004, Le was named "Shanghai Excellent Educator"; In 2006, he won the award of "Famous Teaching Teacher in Colleges and Universities".