Hidden pain in the fossa of the heart is highly considered to be due to angina pectoris. Especially for those with a past history of coronary artery disease, or those with hypertension, diabetes mellitus, or hyperlipidemia, it is important to rule out organic heart disease. In addition, if accompanied by acid reflux, heartburn, can not be ruled out due to duodenal ulcer, or gastric ulcer, but must be ruled out after the heart disease, gastroscopy is relatively safe. During the onset of discomfort, you can first take sublingual heart pills or compound danshen drip pills, if the symptoms can be improved after using the medication, it is considered to be caused by heart disease. If the symptoms can be improved after taking the medicine, then it is considered to be caused by heart disease. If the symptoms can not be improved, it can not be ruled out that it is caused by coronary heart disease or gastric disease.