Clavicle dislocation generally refers to the shoulder lock joint dislocation, four months after the operation has been painful, may be complicated by adhesions around the shoulder joint and other conditions, can be through the local hot compresses physiotherapy and strengthen the rehabilitation exercise to recover. It may also be traumatic arthritis, which requires medication under the guidance of a doctor. 1. Adhesion around the shoulder joint: Generally speaking, after the surgery of acromioclavicular joint dislocation, if the activity is not timely, it will be complicated by adhesion around the shoulder joint, which will cause local pain and activity limitation. You can use local hot compress physiotherapy to relieve pain, and at the same time, you should strengthen the rehabilitation exercise to relieve the symptoms. 2. Traumatic arthritis: postoperative pain may be due to traumatic arthritis, you need to go to the orthopedic surgery department of the regular hospital, take pictures to clarify the cause of the disease, you can use non-steroidal anti-inflammatory and analgesic drugs, such as ibuprofen, celecoxib capsules and so on. Surgery is also needed in severe cases. After the operation of acromioclavicular joint dislocation, the usual diet should avoid spicy and stimulating food, and at the same time, pay attention to rest, avoid overwork to affect the recovery. If you feel unwell, you should go to the hospital in time, do not use your own medicine or treatment.