The nerve that innervates the muscle movement of the posterior calf group is the tibial nerve. The tibial nerve also innervates the activity of the plantar muscles and the sensation of the posterior calf and plantar skin. The tibial nerve is a direct continuation of the sciatic nerve trunk, clinically the common symptoms of tibial nerve injury are inversion weakness, inability to plantarflexion, plantar skin sensation loss or loss, trauma is a common cause of nerve injury, electromyography suggests that the transnervous conduction velocity is slowed down and the amplitude of the wave is reduced. The treatment of tibial nerve injury according to the different nature of the injury, you can choose nerve decompression surgery, tibial nerve adhesion release surgery or nerve suture surgery, in addition to oral vitamin B1, vitamin B12 to promote the growth of the nerve healing, local attention to warmth, avoiding cold, but also to give the Chinese medicine acupuncture, massage, massage and so on to promote the nerve repair, to prevent local muscle atrophy.