Radial nerve injury can appear elbow extension, wrist extension and finger extension dysfunction and hand sensory impairment, after the injury repair training and rehabilitation as follows: 1, motor function training: after the nerve repair should start motor function protection and training, due to nerve atrophy and dysfunction of the hand and forearm muscles in the process of nerve recovery, need to protect the hand and wrist motor function, otherwise the tendon before the nerve recovery may occur Shortening or passive elongation, it is recommended that patients should be fixed with hand splints to help the hand nerve and tendon recovery. After the nerve recovers part of its motor function, it is necessary to adjust the splints, draw up a more detailed rehabilitation plan, and gradually enhance the nerve’s control over the muscles; 2. Sensory nerve training; it can be used to stimulate the sensory recovery by alternating hot and cold stimulation, but the clinical effect is not outstanding.