Heart fossa pain can be caused by cardiovascular system, digestive system, psychosomatic diseases. 1. Cardiovascular system: mainly caused by angina pectoris, when physical activity, emotional excitement and other myocardial oxygen consumption increases, or coronary artery spasm or plaque rupture blockage of blood vessels, the myocardial supply of oxygen is less than the demand for oxygen, resulting in myocardial ischemia, angina symptoms. In addition, it also includes other diseases that lead to angina pectoris, such as hypertrophic cardiomyopathy, aortic stenosis and so on. 2. Digestive system: mainly peptic ulcer and gastroesophageal reflux disease (GERD), peptic ulcer can lead to epigastric discomfort and subxiphoid pain; GERD can lead to retrosternal pain due to irritation of esophagus by reflux. Both can lead to pain in the fossa of the heart. 3. Psychosomatic: mainly cardiac neurosis, due to mental and psychological stress, a heart-related symptoms, including discomfort in the anterior region of the heart, after the relevant examination and there is no cardiac organic disease. It is recommended to consult a hospital to clarify the cause of the pain and ask the doctor to guide the treatment.