The general heart rate of a normal person is 60-100 beats per minute, while the normal person’s heart rate is increased during exercise, and the general standard of heart rate during exercise is 100-150 beats per minute. If more than 150 beats / min, the patient has accompanied by chest tightness, dyspnea, dizziness, palpitations and other symptoms, it is necessary to stop in time to rest, the conditions can inhale oxygen for symptom relief. If it is clear that the tachycardia is caused by strenuous exercise, it will be relieved quickly after rest. If the tachycardia is caused by other diseases, such as hyperthyroidism, it is necessary to treat the original disease in order to achieve the purpose of human health.