Since 1982, I have been engaged in plastic surgery clinical work in the Department of Plastic Surgery of the Ninth People's Hospital affiliated to Shanghai Second Medical University. 1998 plastic surgery training at showa university, Tokyo, Japan. Professor Yang Qun has been engaged in plastic surgery for more than 20 years. He has rich clinical experience in the diagnosis and treatment of various congenital and acquired malformations, and has a solid foundation in surgery, forming a distinctive feature.