If the patient has pain at the uppermost middle of the chest at the bone, the following points should be considered: 1. Diseases of bone surgery, such as sternitis, costochondritis or osteoarthritis, the pain will be uncomfortable at the upper middle of the chest, or the chest is hit and traumatized, resulting in soft tissue contusions, tissue ligaments, muscles, tendons, bone and joint strains and traumas of different degrees, will 2. Excluding surgical diseases, circulatory internal medicine can also cause bone pain in the middle of the upper part of the chest, for example, angina pectoris caused by coronary heart disease, there will be colic at the sternum, and the pain will radiate to the left shoulder. In the respiratory system, such as tension pneumothorax or pleural effusion, pain may also occur in the above mentioned area.