Under normal circumstances, the heart rate of a normal person is 60-100 beats per minute. If the heartbeat is occasionally at 102 beats per minute there is no obvious danger, for example, physiological tachycardia, in the emotional excitement, nervousness, fatigue, late night, poor rest, excessive stress, or cited a large amount of alcohol, strong coffee, strong tea will also appear after a transient tachycardia. At this time, as long as the removal of the original disease and triggers, active rest and conditioning will not have a significant risk. However, if the patient is at 102 beats per minute for a long time, there will be a risk, for example, in the hyperthyroidism, hyperadrenocorticism, or coronary heart disease, arrhythmia, which leads to 102 beats per minute, there is a risk of the need to actively treat the primary disease.