Chest pain, first of all, should be clear whether there are internal emergency diseases, such as myocardial infarction, acute coronary syndrome, thoracic and abdominal aortic aneurysm and aortic coarctation, these diseases may be life-threatening, and need to actively improve the examination to clarify. Local trauma may also cause chest pain, which may lead to local soft tissue injury or even sternal fracture, and need to actively improve the examination to clarify the specific degree of injury, and then carry out the corresponding treatment. Prolonged posture, such as sleeping on the stomach for a long time and working at the desk, and repeated rotation of the chest may lead to repeated extrusion and pulling of the soft tissues in the chest area, and the local congestion and edema will form aseptic inflammation, and the inflammatory fluid will leak out to stimulate the nerves around the chest, resulting in chest pain. Repeated coughing, sputum and purulent infectious pneumonia can cause chest pain.