1990 65438+February-Director of Anhui Sanlian Accident Prevention Institute1April 993-Researcher of Anhui Sanlian Accident Prevention Institute1August 993-1August 994 Visiting Professor, School of Medicine, University of Tokyo, Japan1994/KLOC- 8+March, 1995, doctoral supervisor of Shanghai Medical University Graduate School1April, 1996-1June, 1996, visiting professor at the University of Kansas, USA1March, 1997-1May, 1997, visiting professor at San Jose State University, USA1. September 2000-Dean and Professor of Anhui Sanlian College, June 2004-Doctoral Supervisor of Anhui Medical University, February 2005 -065438+2006 10, Senior Visiting Scholar of Kennedy School of Government, Harvard University, USA, 20165438+August 0-National Vehicle Driving Safety Project.