The causes of bone pain in the middle of the chest are as follows: First, soft tissue injury: Consider soft tissue injury of the chest wall, possibly due to the recent impact of external forces on the chest wall, or sprains occurring during exercise, this time pain will occur in the anterior chest area, the area of pain is often distributed in patches, and sometimes subcutaneous petechiae can occur. Second, sternal periostitis: Consider sternal periostitis, probably due to previous fractures of the sternum or trauma to the sternum, due to poor healing of the fracture, there will often be osteophytes, and the proliferated bone will pull and stimulate the sternal periosteum, thus causing sternal periostitis. Third, other diseases: consider other system diseases, such as coronary heart disease, angina pectoris, etc., will appear in the anterior thoracic region of the radioactive pain, this situation must be dynamic electrocardiogram examination, timely treatment.