Osteonecrosis is mainly the interruption of blood supply to the bone area, which usually leads to the stop of local metabolism of the bone, thus causing necrosis of the bone, and can be treated by medication or surgery. 1. Drug treatment: Anti-coagulant and lipid-lowering drugs are mainly used to reduce the fat content of the blood, decrease the viscosity of the blood, change the coagulability of the patient’s blood and accelerate the circulation of the blood, so as to achieve the purpose of supplying blood to the necrotic area. To control the deterioration of femoral head necrosis, warfarin and rivaroxaban can be chosen under the guidance of professional doctors. 2. Surgery: For some patients with severe lesions and those who are not sensitive to drugs, surgery can be adopted to remove the necrotic bone and implant a new one, and if the area of necrosis is relatively large, osteotomy and orthopedic surgery and arthroplasty can be carried out. Bone pain and other symptoms, we should go to the hospital in time, under the guidance of the doctor to choose the appropriate treatment program, the use of drugs do not remember to take privately, in order to avoid adverse effects.