Fast heart rate does not exist exercise can reduce the heart rate of the argument, if it is exercise, emotional excitement and other physiological factors caused by fast heart rate, without treatment. If angina, hyperthyroidism, anemia caused by fast heart rate, you need to take medication for the cause, if atrial fibrillation, atrial tachycardia, atrial fibrillation and other arrhythmias need to take medication or surgical treatment. Fast heart rate can’t be reduced by exercise, it is recommended that patients with fast heart rate need to consult a doctor in time to check the cause of the disease. If the fast heart rate is caused by physical factors such as strenuous exercise, emotional excitement, drinking strong tea or coffee, excessive alcohol consumption, etc., it can be left untreated, and the heart rate will usually return to normal after rest and emotional stabilization. If the fast heart rate is caused by angina pectoris, it is necessary to use nitrate drugs such as nitroglycerin, isosorbide nitrate, and calcium channel blockers such as nifedipine and felodipine under the guidance of a doctor. Some patients who are ineffective with medications need to be treated with surgical procedures such as coronary artery bypass grafting and percutaneous coronary intervention. For rapid heart rate caused by hyperthyroidism, thyroid hormone synthesizing drugs such as methylthiouracil, propylthiouracil, and tabazol can be used to inhibit the synthesis of thyroid hormones as prescribed by the doctor. If malignancy of the thyroid gland is suspected or if the thyroid gland is moderately to severely enlarged, surgical removal of the thyroid gland is required. Arrhythmias such as atrial fibrillation, atrial tachycardia, supraventricular tachycardia and other arrhythmias may cause an increase in heart rate, which can be treated with medications such as metoprolol tartrate, digoxin, and amiodarone, or with radiofrequency ablation of the heart. Fast heart rate may also be caused by hypertensive heart disease, hypokalemia, anemia, cardiomyopathy and other diseases, and the patient can not reduce the heart rate through exercise. It is recommended that patients seek medical treatment in a timely manner and follow the doctor’s instructions.