The normal adult resting heart rate is 60-100 beats per minute, and when walking at a fast pace, the heart rate can reach 100-120 beats per minute, at this time, you will feel panic or even shortness of breath, chest tightness, which is a normal physiological response and does not require special treatment. Normal people in the daytime or in the activity after the heart rate is fast, in the sleep or rest when the heart rate is slow, are normal physiological phenomena. Pathological phenomena such as fever or heart attack, or hyperthyroidism in these people will appear fast heart rate, need to give medication to intervene, such as beta-blockers to lower the heart rate, can not let the heart beat too fast to increase myocardial oxygen consumption.