Ankylosing spondylitis is a chronic inflammatory rheumatic immune disease that mainly involves the spine and joints, with back pain as the main symptom. It may be due to muscle and nerve effects, causing a dull pain in the lower back that is noticeable at night, in the morning and when standing after a sedentary period, and decreases with activity. Ankylosing spondylitis is not yet curable and requires intermittent treatment to help relieve symptoms such as back pain. The main treatment modalities are as follows: 1. medications: 1. non-steroidal anti-inflammatory drugs: mainly to relieve morning stiffness, joint pain and other symptoms, including diclofenac sodium extended-release capsules; 2. anti-rheumatic drugs: including methotrexate, azathioprine, etc., rheumatic conditions are treated and back pain can be relieved; 3. anti-tumor necrosis factor (TNF) antagonists: used when non-steroidal anti-inflammatory drugs are ineffective. including etanercept, etc.; 4, hormonal drugs: such as local injections of glucocorticoids to treat muscle inflammation and relieve local pain such as back. Second, surgical treatment: commonly used spinal orthopedic surgery, etc., for patients with severe deformities of the back spine. But a small number of patients with ankylosing spondylitis, the disease can gradually develop to the hip joint caused by the lesion, then feasible hip arthroplasty. Third, other treatments: mainly include appropriate exercises for the spine, thorax and hip joints, try to sleep on a hard bed, low pillow, avoid excessive weight bearing and other physical therapy.