Member of China Association for Promoting Democracy; Secretary-General of China Neurodisability Research Association of China Disabled Persons Rehabilitation Association; Member and academic secretary of Shanghai Microsurgery Society; Editorial Committee of American Journal of Microsurgery and Chinese Traumatic Orthopaedics; From June 2000 to February 2000, I worked as a visiting scholar in surgery, plastic surgery and orthopedics at Mississippi Medical Center for half a year. Keep improving in clinical technology, strictly implement technical operation specifications, pay close attention to the latest progress of medical science and technology at home and abroad, and master the diagnosis and treatment of various orthopedic diseases skillfully. He has some experience in trauma surgery, microsurgery, replantation of severed fingers and limbs, hand and foot surgery, free tissue transplantation, artificial joint replacement, bone/joint and soft tissue tumors, peripheral nerve injury and spinal surgery. In the teaching work, he served as the bone science teacher for undergraduate, undergraduate and seven-year postgraduate students in Fudan University. 200 1 began to recruit master students, and at the same time assisted academicians, professors Chen and Chen Unify to guide doctoral students' research and thesis writing. In scientific research, I participated in the key project of National High-tech 863 1, the key and general project of National Natural Science Foundation (person in charge) 1, the key clinical discipline of Ministry of Health 1, and the key discipline construction projects of Fudan University "2 1 1" and the Tenth Five-Year Plan/. Won five scientific and technological awards such as the second prize of national scientific and technological progress.