Ischemic necrosis of the femoral head is mainly due to ischemia caused by various factors, resulting in femoral head necrosis. Because it is very difficult to treat femoral head necrosis once it develops. There are different stages of femoral head necrosis. Stage I is not visible on X-rays, but only on MRI or CT films; Stage II has clear necrosis on X-rays, Stage III has collapse, Stage IV has serious collapse, rupture, and even dislocation, and most obviously, hip arthritis, difficulty walking, and even paralysis. Ischemic necrosis of the femoral head occurs in young adults and is a common orthopedic problem with a high disability rate. If left untreated, the condition of most patients will progress and eventually lead to severe hip osteoarthritis, and joint replacement is often inevitable. Although great progress has been made in prosthesis preparation and surgical operation design, the use of joint replacement for young patients still has many problems and the long-term results are not ideal. Therefore, the goal of treatment for femoral head necrosis is to effectively prevent or delay the collapse and deformation of the femoral head and not to perform or postpone joint replacement based on early diagnosis and a combination of Chinese and Western medicine. Treatment of femoral head necrosis Early treatment is mainly conservative (1) Build up confidence, overcome it spiritually and strive for complete recovery. (2) Prevent trauma, cold and wet, etc. (3)Forbid drinking alcohol and using hormone drugs. (4) Walk with crutches, carry less weight or no weight. (5) Chinese herbal medicine treatment: it is effective in relieving pain, improving blood circulation of the femoral head and improving joint function, and early patients have hope of cure. Surgical treatment (1) Synovectomy + pulpal decompression osteotomy This method is suitable for early and middle stage, head without collapse and deformation of femoral head necrosis patients. The advantage of this method is that it is simple and effective, can reduce the pressure on the head and promote the blood flow of the head. (2) Greater trochanteric femoral head replacement or auxiliary artificial hip joint This method has not been widely carried out in China, the former is suitable for young and middle-aged patients with head necrosis, and the latter is suitable for those whose heads have not collapsed. (3) Total hip arthroplasty Advantages: relief of disease and suffering, improvement of function and quality of life. Disadvantages: The head life span is about 10-15 years, and it is not suitable for young patients. Complications such as loosening, sinking, fracture and dislocation can occur.