There are more causes that can cause pain in the heart area, mainly: 1. circulatory system diseases, commonly coronary angina, myocardial infarction, various types of cardiomyopathy, myocarditis, heart valve diseases, large vessel lesions, etc. 2. respiratory system diseases, commonly caused by pneumonia, bronchiectasis, lung tumors, etc. 3. chest wall diseases, commonly caused by intercostal neuralgia, chondromalacia, various bone tumors, etc. 4, Other lesions including mediastinal tumors, pericarditis, etc. Ordinary pain in the heart area will be gradually relieved after proper rest, but attention needs to be paid to acute myocardial infarction, pulmonary embolism, tension pneumothorax and aortic dissection, which are four more critical diseases, and once they occur there will be severe chest pain and a high mortality rate.