Yu Lianggang, Chief Physician, Assistant Dean, Director of Plastic Surgery, Shanghai Civil Aviation Hospital; Member of Shanghai Branch of Chinese Medical Doctor Association, Plastic Surgery Society of Chinese Medical Association, Medical Beauty and Beauty Society of Chinese Medical Association, Nasal Plastic Surgery Sub-specialty of Chinese Medical Doctor Association, Cosmetic Plastic Surgery Sub-specialty of Chinese Medical Doctor Association, Craniofacial Sub-specialty of Cosmetic Plastic Surgery of Chinese Medical Doctor Association, the only plastic surgeon in Asia who has obtained FDA certification and EU technical certification, the top ten outstanding plastic surgeons in China, and the inventor of five plastic patents of "Mandibular Angle Plastic Surgery" in Shanghai Civil Aviation Hospital.