Most of the patients can be cured or delayed in the early stage of femoral head necrosis, most of the functions can be maintained in the middle stage, and the function of hip joint can be restored in the late stage after replacement surgery. 1. Early stage necrosis of the femoral head: through the professional treatment of the relevant departments, some patients can be cured and regain the relevant functions as ordinary people; in most cases, the progress of the disease can be slowed down. 2. Intermediate necrosis of the femoral head: in some cases, patients can walk with tolerable hip pain and no limp after treatment, and can basically use the hip joint function normally. 3. Advanced necrosis of the femoral head: after professional treatment such as artificial hip replacement, most of the functions of the hip joint can be restored and maintained after successful surgery. If necrosis of the femoral head occurs, it is necessary to go to the hospital in time for diagnosis and treatment, and take appropriate treatment methods according to different causes and conditions.