If the patient feels uncomfortable with chest congestion, he or she can first take sublingual heart relief pills or compound salvia drops. If the patient is relieved after taking the medication, it is highly recommended to monitor the heart rate and blood pressure and do an electrocardiogram if necessary. It is also possible that the discomfort in the precordial region is caused by hypertension, which can be treated by lowering the blood pressure first. It is likely that the patient’s discomfort will be greatly relieved if the blood pressure is lowered to below 130/80 mmHg. If the patient’s precordial discomfort is not relieved after medication, he or she should promptly go to the emergency department for cardiac enzymology tests and, if necessary, coronary angiography to further clarify whether acute coronary syndrome has occurred. In other patients, especially those with no previous medical history and who are relatively young, the presence of such precordial discomfort is highly considered as cardiac neuropathy or myocarditis.