Ankylosing spondylitis is not exclusive to the elderly. The disease causes patients to have a hunchback or stiff hips, which makes mobility difficult. Many patients ask if ankylosing spondylitis can be operated on. In the early stages of ankylosing spondylitis, if there is no hump deformity of the spine or stiffness of the hip joints, internal medicine should be the main treatment. The internal medicine treatment should go to immunology or rheumatology department, which can control the progression of the disease through medication. However, if there is a severe hunchback condition, surgery is needed to correct the hunchback. If hip stiffness occurs, artificial joint replacement can be done to restore the mobility of the joint to achieve the therapeutic effect.