Ankylosing spondylitis is a type of seronegative spondyloarthropathy. It is mostly seen in young and middle-aged men. Most of the pain in the low back, hip or hip is the primary manifestation. The course of the disease is prolonged, and in severe cases, cervicothoracic and lumbar cone and hip movement disorders, and even vertebral back protrusion or scoliosis deformity, seriously affecting the quality of life. After the diagnosis of this disease, in addition to the need to take anti-inflammatory and analgesic drugs, disease control and other drugs, limb and joint functional exercise is very important, and is one of the aspects of treatment. We found in the clinic that most patients have misconceptions about functional exercise. Some people think that vertebrae and joints are painful during the active period of the disease, so they should reduce their activities and mainly lie in bed; some think that insisting on brisk walking every day is exercise. Both of these views are wrong. The former will lead to soft tissue adhesions around the joints, joint mobility is limited, and even long-term bed rest leads to limb muscle atrophy, spinal deformity, with serious consequences. For patients with this disease, functional exercise of the vertebrae and joints in a non-weight-bearing state is an effective method of functional exercise. In addition, to maintain the movement training in daily life, such as good standing and sitting posture; avoid hunchbacked posture; sleep on a hard bed; avoid high pillows; training thoracic breathing; mainly in a flat position, sleep is often change position is very important.