Median nerve injury No. 1: After repair, the wrist is immobilized in the flexed position for 3 weeks, followed by gradual extension of the wrist to a normal position (approximately 4 to 6 weeks). No. 2: Active activity training. No. 3: Use of vision to protect the sensory loss area. 4th: Daily living aids, such as finger splints, to prevent first finger web contracture and to provide finger grip. 5th: Sensory retraining. No. 6: Consider functional reconstructive surgery if no nerve recovery is expected Hongcheng Shi, Microsurgery Department, Changchun Orthopaedic and Traumatic Hospital. Ulnar nerve injury No. 1: Wear MP joint block splint to prevent deformity of the ring and little finger claw fingers. No. 2: Use visual substitution and protect the area of skin sensory loss at the ulnar margin of the hand. No. 3: For those with no nerve recovery, consider reconstructive surgery for intrinsic muscle function. Radial nerve injury No. 1: Use a wrist immobilization splint to maintain wrist extension, metacarpophalangeal joint extension, and external thumb booth. Prevent overdrawing of the extensor muscles and assist in grasping and relaxing the hand function. 2: Retrain the muscles through activities such as grasping and relaxation. 3rd: If necessary, reconstructive surgery for wrist extension, thumb extension and finger extension can be performed.