1985 65438+February-65438+March 0986 Assistant Professor, Department of Genetics, Bethune Medical University;

65438+April 0989-19965438+March 0 Lecturer, Department of Immunology, Bethune Medical University;

1Feb. 994 —— Dean of Basic Medical College of Bethune Medical University;

1991April-1992 March Visiting scholar, Institute of Immunology, Faculty of Medicine, Kyoto University, Japan;

1992- Associate Professor and Professor, Department of Immunology, Bethune Medical University.