1 week after surgery: 1.Fist making exercise: active slow fist making to the limit, slow to five fingers open for one, awake state, do as much as possible every day. 2.Shrugging exercises: active slow shrugging exercises within the pain-free range. 3.Neck activity and healthy side limb activity: active head lowering, head lifting and neck circumference to prevent wearing the brace for too long and neck muscle tension fatigue. 2-3 weeks after surgery (review when stitches are removed): the brace must be worn continuously during the weeks after surgery. 1.Continue the above exercises 2.Flexion and extension exercises: flexion and extension of the elbow joint without causing shoulder joint movement. 10 sets/group, 2-3 sets/day. 3.Start swinging exercises: Hold the affected elbow by the arm on the healthy side, bend at 90° with the back parallel to the ground, relax the arm on the affected side, and perform passive swinging of the affected shoulder in each direction until the angle of slight pain can be changed. 10 sets/group, 2-3 sets/day. 4. After 2 weeks, start active shoulder mobility exercises within the tolerable range: only active forward flexion less than 90°, no external rotation or posterior extension for the time being. After 4 weeks 1.The brace must be worn continuously for 4 weeks after surgery, and can be taken off for protection during sleep 5-6 weeks after surgery, with activity belt on weekdays. 4-6 weeks: passive forward flexion of the affected shoulder to 120°, and gradual passive external rotation angle exercises of the affected shoulder to 45° should be started as appropriate. 2.For 6 weeks, external booth external rotation, excessive posterior extension of the shoulder joint, supporting weight with the affected hand, and sudden movement of the affected shoulder are prohibited. 3.After 7 weeks, active muscle strength exercises should be performed on the upper extremity: at the beginning, it is not possible to resist external force, and the anterior flexion of the affected shoulder should be less than 90° and the external rotation should not exceed 0° in neutral position, and the muscle strength exercises should be performed gradually. 4.12 weeks after surgery, the mobility of the shoulder joint in all directions is similar to that of the healthy side, after review by the doctor, start light functional exercises, specific outpatient review guidance, but lifting heavy objects, throwing and biceps resistance exercises with the affected shoulder are prohibited. 5.After 4 months, after review, decide if you can perform throwing exercises: start with short distance and low speed and gradually increase. 6.After 6 months, a decision will be made after review by the physician whether to perform antagonistic sports and weight lifting. 7 months later, a decision will be made after review by the physician whether to perform throwing competition.