Deng Kai, male, Master of Medicine, Deputy Chief Physician, Member of the Hand Surgery Branch of the Hebei Provincial Medical Association, has been engaged in clinical orthopedics for 20 years. He studied from the famous professor of hand surgery, Professor Zhang Keliang. He specializes in hand surgery, trauma orthopedics and joint orthopedic diseases. He is good at the treatment of various complex hand injuries, replantation of severed limbs, various flap transfer covering wounds, internal fixation of bone fractures of the extremities, treatment of various intra-articular fractures, congenital hand and foot deformities and femoral head necrosis, knee joints surgical and non-surgical treatment of osteoarthritis. He has published 10 papers and 3 professional books.