Chest pain can be seen in the following diseases: firstly, heart diseases, the common ones are angina pectoris, the characteristics of the attack are usually about 2-3 minutes, which can be relieved after using quick-acting heart pills; myocardial infarction often has severe pain and lasts long, the effect of taking coronary vasodilator drugs is not significant. Secondly, digestive system diseases, commonly gastric ulcer, gastritis, taking drugs to inhibit the secretion of gastric acid, such as omeprazole or neutralize the gastric acid magnesium aluminum carbonate can reduce the symptoms. Pulmonary diseases, which can present with painful discomfort, such as pleurisy, pulmonary embolism, the former mostly related to breathing, and the latter may be accompanied by hemoptysis. It can also be seen in intercostal neuralgia, neuritis caused by herpes virus, and cardiac neurosis can also present with these symptoms.