2005  Visit Scholar,  Glostrup   Hospital , University  Hospital of Copenhagen , Denmark
2001-2004   Xian   Jiaotong   University , Ph.D. (biochemistry & molecular biology) 
2002-2003  Visitor scholar in  Lund University ,  Sweden
1982-1985   Xi’an   Medical   University ,  M. Sc. (Pharmacology)
1977-1982   Xi’an   Medical   University ,  M.D. & B.Sc. (Medicine)