Wei cheng, Doctor of Jilin University, major in traffic information and control, take part in two provincial research subjects, and publish more than 20 articles in academic journal and compile the book "traffic engineering" which win the Jilin University outstanding teaching awards. From June 2004 teach in faulty of Traffic engineering, Kunming University of science and technology. and act as deputy director of traffic engineering, take charge six scientific research program . now I am assessment team leader of the Yunnan Province "urban traffic project", the middle-aged academic and technology leaders of reserve personnel in Yunnan province, china.