1985.07 ~ 1987.07 Counselor, Medical Department, Tianjin Medical College; 1987.07 ~1992.10 Assistant Professor, Department of Health Statistics, Department of Public Health, Tianjin Medical College; 1992.10 ~1998.10 lecturer, Department of Health Statistics, School of Public Health, Tianjin Medical University; 1998.10 ~ 2004.10 associate professor and tutor of master students in the department of health statistics, School of Public Health, Tianjin Medical University; 2004.10 ~ 2010.12 professor and master tutor of health statistics department, School of Public Health, Tianjin Medical University; 20 10. 12 ~ Now he is a professor and doctoral supervisor in the Department of Health Statistics, School of Public Health, Tianjin Medical University. 200 1.0 1 ~ 2005.05, Vice President of Graduate School of Tianjin Medical University; 2005.05 ~ 20 10. 10 secretary of the general party branch and vice president of the graduate school of Tianjin medical university; 20 10. 10 ~ Secretary of the General Party Branch of School of Pharmacy, Tianjin Medical University.