The main cause of muscle numbness around the buttocks after sacral tumor resection is nerve injury, and the treatment mainly includes conservative treatment and surgical treatment, etc. 1. Conservative treatment: it mainly includes heat therapy, massage, rehabilitation training, drug treatment and so on. Commonly used drugs are mainly drugs that nourish the peripheral nerves, such as methylcobalamin, vitamin B1, vitamin B12 and so on. The purpose of conservative treatment is to accelerate blood circulation, restore the local blood supply of the nerves, and promote the self-repair of the nerves. The above drugs should be used under the guidance of doctors, avoid self-medication. 2. Surgery: Surgery is not the first choice for nerve injury disposal because there is no surgery that can regenerate the nerves. The purpose of surgery is to investigate the nerve damage and to treat the damaged nerves during the surgery. Surgical procedures mainly include nerve anastomosis and nerve exploration. For the same disease, patients with different physical conditions and different stages of the disease have different treatment methods, and should be treated in a standardized way under the guidance of doctors.