1996 ——200 1 Deputy Chief Physician of Anesthesiology Department of Peking Union Medical College Hospital.
1993 —— 1996 Attending physician of anesthesiology department of Peking Union Medical College Hospital
1990 —— 1993 Attending physician, Department of Anesthesiology, Plastic Surgery Hospital, China Academy of Medical Sciences
1983 —— 1986 Resident in the Department of Anesthesiology, Plastic Surgery Hospital, China Academy of Medical Sciences.
2004-2005 Chief physician, Piaget Jen Hospital, Macau
1999 (3 months) Department of Anesthesiology, Prince of Wales Hospital, The Chinese University of Hong Kong
1998 (3 months) Department of Anesthesiology, University Hospital of Utah, USA