Aseptic necrosis of the left hip bone may be the presence of femoral head necrosis, the treatment includes conservative treatment and surgical treatment. 1. Conservative treatment: For patients with mild necrosis of the femoral head and no collapse of the femoral head, conservative treatment can be adopted. The treatment methods include physical therapy and drug therapy. (1) Physical therapy: for example, extracorporeal shock wave therapy, hyperbaric oxygen therapy, pulsed electromagnetic wave therapy, etc., which can control the development of the disease and reduce the discomfort. (2) Drug therapy: When obvious pain symptoms appear, non-steroidal drugs such as aspirin and ibuprofen can be used to reduce pain, together with the use of drugs such as atorvastatin calcium tablets and resuvastatin tablets to reduce blood lipids and improve the blood supply to the bones, and with the use of drugs such as low molecular heparin and aspirin to prevent vascular embolism. 2. Surgery: For severe osteonecrosis of the femoral head, surgery should be considered, such as core decompression, osteotomy, artificial joint replacement and so on, the specific surgery depends on the actual situation. During the period of treatment, we should follow the doctor’s instruction and take medication strictly according to the doctor’s prescription. After the surgical treatment, we need to take good postoperative care and correct functional exercise, and go to the doctor for regular review.