The main reasons for heart pain are as follows: a. Consider coronary heart disease, unstable angina or acute myocardial infarction, acute coronary syndrome, patients often show pain in the anterior chest, the middle and lower part of the posterior sternum, the pain area is about the size of the palm, the nature of dull, dull or crushing pain, can be radiated to the back, in addition to chest pain will be accompanied by palpitations, panic, dizziness, weakness, etc. The symptoms may be accompanied by palpitations, panic attacks, dizziness and weakness. The heart pain should be considered the possibility of myocarditis and pericarditis, which can be further confirmed by electrocardiogram, cardiac enzyme and troponin examination. It may also be caused by pleurisy, pneumonia, etc., and should be further ruled out by a frontal and lateral chest radiograph.