Shoulder bulge a piece to be eliminated to determine the specific cause, some are due to lipoma or acne if the volume of recent growth is relatively fast, through a simple surgical resection can be. If it is because of the change of shape caused by muscle tension around the shoulder, such as working at the desk all the time and playing with the cell phone with the head down, do acupuncture, massage, hot compresses and physical therapy to relieve muscle tension and spasm, and the symptoms can be eliminated after relaxation. If there are external injuries, acromioclavicular joint dislocation, shoulder joint dislocation, clavicle fracture, etc., according to the specific results of the examination, the serious need for surgical plate internal fixation in order to eliminate the appearance of changes. Especially the chronic acromioclavicular joint dislocation formed by the relatively large amount of sports training, usually the symptoms are not obvious, it is more important to go to the hospital for examination and judgment.