Heart discomfort after heatstroke is usually caused by heatstroke, which stimulates patients who originally suffered from cardiovascular disease, resulting in an acute heart attack, which must be treated in the hospital urgently. After arriving at the hospital, in addition to first giving the patient rehydration fluids to relieve the symptoms of heatstroke, but also must urgently go to the electrocardiogram and blood test cardiac enzymes to confirm the diagnosis of which kind of heart disease. If it is acute angina or myocardial infarction, thrombolytic drugs such as urokinase and alteplase should be given urgently, or vascular intervention should be applied to unblock the coronary arteries to relieve the symptoms. In addition, if the arrhythmia is difficult to recover, such as ventricular paroxysmal supraventricular tachycardia, ventricular tachycardia, etc., it is necessary to apply amiodarone or lidocaine to reset the rhythm, and electric resuscitation is also an option.