The common causes of shoulder, neck and back pain are as follows: 1. Over fatigue, many patients need to use the upper limbs and trunk to do repeated extensive activities, which may cause fatigue of the muscles here, and then cause pain here. 2. Long-term poor posture, for example, many patients need to sit and stand for a long time to work with their heads down due to their occupation, which will lead to muscle spasm in the shoulder and neck area, and then cause pain. 3. 3, caused by cold, many patients in the summer, inadequate clothing, or direct blowing to the air conditioning, will directly cause the muscle spasm, and the fascial aseptic inflammation, which leads to pain. 4, this condition is likely to be caused by degenerative changes in the spine, common cervical spondylosis and small joint misalignment of the thoracic spine and a series of lesions, in the onset of such diseases. The onset of this type of disease is accompanied by significant pain in the shoulder, neck and back.