Shoulder pain while working is mainly considered for the following reasons: the first reason, due to the workload overload, caused by the damage of the tissues around the shoulder joint, which leads to pain, and this is also the most common reason. The second reason, can be seen in the shoulder joint there is a chronic strain, do not appear symptoms, when the weight-bearing activities, will appear corresponding pain symptoms, this is due to long-term chronic strain caused by. The third reason, can be seen in the shoulder joint degeneration, with the age of the shoulder joint bone will appear hyperplasia, the surrounding soft tissues will appear hyperplasia and hypertrophy, in the activities will lead to tissue pulling, resulting in pain. The fourth reason can be seen in the cervical spondylosis, cervical spondylosis deposits shoulder nerve root compression, in the work of the nerve root of the heavier pull, thus the symptoms of pain.