A pain in the middle of the breasts may be caused by trauma, coronary heart disease, or reflux gastroesophagitis. 1. Trauma: accidental collision, friction, etc. make the middle of the breasts have wounds, so a burst of pain. 2. Coronary heart disease: if in emotional tension, excitement, anxiety, anger or shock, for patients with coronary heart disease, it is easy to myocardial blood supply is insufficient to induce angina pectoris, which may lead to pain between the two breasts. 3. Reflux gastroesophagitis: after eating or a full meal, it can be accompanied by acid reflux, belching, epigastric pain, as well as the symptoms of indigestion, which can also lead to a burst of pain in the middle of the two breasts. In addition, some breast diseases, such as mastitis, breast hyperplasia and other diseases may also appear similar clinical manifestations, it is recommended to go to the hospital in a timely manner, to identify the cause of the treatment as prescribed by the doctor.