1994- 1999 director and deputy director of Beijing huilongguan hospital ward.
1999-2003 Deputy Chief Physician and Director of Science and Education Office of Beijing huilongguan hospital.
From 2003 to 2005, huilongguan hospital was the chief physician and director of the Science and Education Office.
2005-2008 Vice President of huilongguan hospital Business.
2008-present Dean of Beijing huilongguan hospital.