Sacroiliac arthritis exercise methods include: 1. back kick exercise: patients take a standing position, hands supported on objects, knee straight, slow back kick; 2. lying hip exercise method: patients lying on their side in the healthy position, the affected limb on the straight, do forward flexion, back extension, abduction exercise; 3. rotating hip exercise: patients lying on their back, hands interspersed behind the head, bending knee flexion hip, left foot flat on the bed, the right foot interspersed on the left knee, rotating hip to the right 4. Knee-thorax exercise: the patient is in supine position, one leg is straight, the other leg is bent at the hip and knee, so that the knee is close to the chest. It is important to note that the above exercises should not be done within one week of the disease, that is, during the acute period.