Clinically, if the patient feels localized pins and needles pain in the left buttock area after being stimulated by a large external force, it is possible that a fracture has occurred and an X-ray of the pelvis can be taken to clarify the specific diagnosis. If a fracture occurs, the treatment should be symptomatic according to the degree of fracture. If the patient has a fracture of the pubic sciatic branch and the fracture end is not displaced, conservative treatment can be considered. First of all, the patient should rest in bed and be fixed with a pelvic band to prevent the fracture from being displaced; moreover, topical ointment should be applied to the injured area to activate blood circulation and eliminate blood stasis, reduce swelling and pain; hot compress treatment, physiotherapy apparatus baking electricity and spectrum apparatus treatment can also be given to accelerate local blood circulation and promote the absorption of bleeding, which can reduce swelling and relieve pain. If the patient has a large displacement of the fracture end after a pubic sciatic branch fracture, surgical treatment can be considered, such as incision and internal fixation with a plate.