Professor Liu Dalie has been engaged in facial cosmetic surgery for more than 30 years and has studied in Japan and South Korea. He has profound theoretical foundation and rich clinical experience in plastic surgery, oral and maxillofacial surgery, cosmetic surgery and other fields. He is a famous authoritative expert in craniofacial plastic surgery in China and received special allowance from the State Council. It is unique in craniofacial plastic surgery, tooth, ear, nose and mouth deformity correction surgery, and has successfully implemented craniofacial combined approach surgery to correct dozens of patients with severe orbital widening.