| 2002—2007 | Alternate Member, 16th CPC, Central Committee | |
| 2001— | Vice-Minister, Ministry of Health | |
| 1997—2002 | Alternate Member, 15th CPC, Central Committee | |
| 1997—2001 | Vice-President, Chinese Medical Association | |
| 1996—2001 | President, Sun Yat-Sen College of Medical Science | |
| 1992—1996 | Vice-President, Sun Yat-Sen College of Medical Science | |
| 1990—1992 | Deputy Manager, Sun Yat-Sen College of Medical Science, No. 1 Hospital | |
| 1987—1990 | Director, Sun Yat-Sen College of Medical Science, No. 1 Hospital (Hepatic Surgery) | |
| 1984—1987 | Visiting Scholar, The University of Sydney Australia, Sydney | |
| 1982—1984 | Surgeon, Sun Yat-Sen College of Medical Science, No. 1 Hospital |