1978.09- 1982.08, studied in the Road and Bridge Department of Chongqing Institute of Civil Engineering and Architecture, and obtained a bachelor's degree in engineering;

1982.08-1984.11,assistant engineer of the Second Highway Survey and Design Institute of the Ministry of Communications;

1984.1-1988.08, assistant professor of southwest jiaotong university (during this period: 1986.09- 1988.04, graduate student of transportation management department of southwest jiaotong university, master of engineering.

1988.08-1991.08, lecturer of Southwest Jiaotong University;

1991.08-1997.07, associate professor of southwest jiaotong university (during which: 1996.03- 1997.02, studied by Siemens, Germany);

1997.07- 1998.09, Member of the Standing Committee of Sichuan Provincial Committee of Zhi Gong Dang, Vice Chairman of Chengdu Municipal Committee, Associate Professor of Southwest Jiaotong University (1994.09- 1998.04, Ph.D. student majoring in vehicle and its application);

1998.09-200 1.09, member of the Standing Committee of Sichuan Provincial Committee of Zhi Gong Dang, vice chairman of Chengdu Municipal Committee, professor of Southwest Jiaotong University;

200 1.09-2002. 12, member of the Standing Committee of Sichuan Provincial Committee of Zhi Gong Dang, vice chairman of Chengdu Municipal Committee, professor and doctoral supervisor of Southwest Jiaotong University;

2002.12-2005.06, member of Zhi Gong Dang Central Committee, member of Sichuan Provincial Committee, vice chairman of Chengdu Municipal Committee, professor and doctoral supervisor of Southwest Jiaotong University;

From June 2005 to September 2007, he was a member of the Central Committee of Zhi Gong Dang, a member of the Standing Committee of Sichuan Provincial Committee, a vice chairman of Chengdu Municipal Committee, and a vice president, professor and doctoral supervisor of the School of Communications of Southwest Jiaotong University.

2007.09-20 10. 10 Member of Zhi Gong Dang Central Committee, Standing Committee of Sichuan Provincial Committee, Vice Chairman of Chengdu Municipal Committee, Deputy Director of Sichuan Comprehensive Transportation Key Laboratory, Vice President, Professor and Doctoral Supervisor of School of Transportation, Southwest Jiaotong University;

2010.10-2012.06 Member of Zhi Gong Dang Central Committee, Standing Committee of Sichuan Provincial Committee, Vice Chairman of Chengdu Municipal Committee, Deputy Director of Sichuan Comprehensive Transportation Key Laboratory, Vice President, Professor and Doctoral Supervisor of School of Transportation and Logistics of Southwest Jiaotong University (2011.

2012.06-2012.12 Member of Zhi Gong Dang Central Committee, Vice Chairman of Sichuan Provincial Committee, Deputy Director of Sichuan Comprehensive Transportation Key Laboratory, Vice President, Professor and Doctoral Supervisor of School of Transportation and Logistics of Southwest Jiaotong University;

2012.12-2013.03 Member of Zhi Gong Dang Central Committee, Vice Chairman of Sichuan Provincial Committee, Chairman of Chengdu Municipal Committee, Deputy Director of Sichuan Comprehensive Transportation Key Laboratory, Vice President, Professor and Doctoral Supervisor of School of Transportation and Logistics of Southwest Jiaotong University;

20 13.03 ~ Member of Zhi Gong Dang Central Committee, Vice Chairman of Sichuan Provincial Committee, Chairman of Chengdu Municipal Committee, Vice Chairman of Chengdu CPPCC, Deputy Director of Sichuan Comprehensive Transportation Key Laboratory, Vice President, Professor and Doctoral Supervisor of School of Transportation and Logistics of Southwest Jiaotong University.