1978-8 1 Peking University Department of Chemistry, Master of Polymer Science, Tutor Professor Li Fumian, Academician Feng Xinde 1984-86 Visiting Scholar of RTI Institute, North Carolina, USA 199 1-93 Senior Visiting Scholar of Bioengineering Department, University of Utah, USA/kloc-0 He served as the chief scientist of the National 973 Plan Biomedical Materials Project for two consecutive years (1999-2004, 2005-20 10), and was awarded the honorary title of world outstanding biomaterial expert by biomaterial science and Engineering Fellow (International Federation of biomaterial science and Engineering Societies).