Dr.Haisong Xu M.D., Ph.D is a Plastic and craniofacial surgeon at Shanghai 9th People's Hospital Shanghai Jiao Tong University. He finished his M.D. and Ph.D training at Shanghai Jiao Tong University. He finished the craniofacial research fellow in International Craniofacail Institute in Dallas TX, U.S.A. and award as ASPS/ASMS/PSF international visiting scholar. He is intrested in facial cosmetic and reconstructive surgery. He is an editorial board of Journal of Craniofacial Surgery (U.S.). Member of Asia and Pasific Assciation of Craniofacial Surgery, Member: Chinese Association of Plastic Surgery.