These two photographs below show a female, 58-year-old patient. She was diagnosed with ankylosing spondylitis and bilateral hip arthritis, and the radiographic presentation before surgery and after bilateral hip replacement. Before surgery, the patient’s bilateral hip movement was significantly restricted, with painful joint symptoms, and limited turning activities and walking. In addition, the ankylosis of the spine could not be moved, which brought great limitation to life. After the surgery, the mobility of both hips reached more than 90 degrees, and the function improved significantly, and the pain disappeared, so that the patient’s quality of life improved significantly. However, this type of surgery is difficult and traumatic, and the patient is prone to post-surgical infections and other surgical risks due to long-term medications and images of the disease, many systemic comorbidities, and poor physical fitness. Therefore, it is important to make a comprehensive assessment and carefully handle and prevent various possible complications so as to improve joint function and reduce complications brought about by surgery. Interested users and patients are welcome to participate in discussions on related issues.