Normally, it is normal for a normal person to have a morning pulse of about 60-100 beats per minute. For some professional athletes, and people who will often exercise, because the heart reserve function is better, the basal heart rate may be slower, may be lower than 60 times, some even lower than about 50 times, but no discomfort symptoms, this is also considered normal. Others may have a faster basal heart rate, some may reach 80-90 beats per minute. If it is faster, it is recommended to increase exercise, which can improve the heart reserve function and can lower the basal heart rate, which is beneficial to protect the heart muscle, because a slower heart rate can reduce the oxygen consumption of the heart muscle. Clinically, in patients with coronary artery disease, the pulse is also usually appropriately controlled to about 60-65 beats per minute during clinical intervention. Why is this done? It is to slow down the heart rate and reduce the myocardial oxygen consumption, which is very beneficial for the long-term prognosis of patients with coronary artery disease.