Li Qingtai, chief physician, professor, master tutor, orthopedic expert in beijing jishuitan hospital, medical malpractice expert in Ministry of Health and Beijing. 1969 graduated from Capital Medical University, and has been engaged in hand surgery for more than 40 years. He has rich theoretical knowledge and clinical experience in spine surgery, joint surgery and hand surgery, especially in the diagnosis and treatment of complex hand injuries and diseases, difficult hand diseases, bone and joint injuries, brachial plexus injuries, congenital hand deformities and hand tumors. In addition, he also made an in-depth study on the recovery of hand function after complicated hand trauma and surgical failure. He has completed the first replantation of severed fingers in Beijing, Tianjin and Tang, and participated in the organization of two other replantations of severed fingers.