There are many causes of pain in the middle of the heart fossa, heart disease, respiratory system diseases, digestive system diseases, etc. can appear this symptom, which is common in coronary angina, pneumothorax, gastric ulcer, etc., need to be judged according to the patient’s situation: 1, heart disease: coronary angina induced by the middle of the heart fossa pain, mostly in emotional excitement or exertion, pain is mostly boring or tightness The pain is mostly dull or tight and lasts within 10 minutes, usually not more than half an hour, and may be relieved by rest or sublingual nitroglycerin. If the pain lasts for more than half an hour, it is usually not caused by coronary heart disease, but by myocardial infarction, and should be treated in hospital in time. 2. respiratory system diseases: such as pneumonia, pulmonary embolism, pneumothorax, etc., may also produce pain in the middle of the heart fossa, often accompanied by cough, chest tightness, difficulty in breathing and other symptoms. 3. digestive system diseases: such as gastric ulcer or malignant tumor of the stomach, etc., will appear in the middle of the heart fossa. Pain in the middle of the fossa, mostly related to eating or hunger, can be accompanied by nausea and vomiting, acid reflux and heartburn and other digestive system symptoms, it is recommended to go to the Department of Gastroenterology to further improve the examination to clarify the cause; 4, mental neurological diseases: such as anxiety, depression, cardiac neurosis, etc., patients may also show symptoms of vague pain in the middle of the fossa; 5, local inflammation: pain in the middle of the fossa. If there is localized pressure pain, consider whether it is inflammation of bones, muscles and fascia. You can go to the orthopedic department to further improve the X-ray film of ribs and other examinations to clarify the diagnosis.