The heart beats 60-100 times per minute, which is a normal heart rate. This only refers to the number of heart rate, of course, for the heart beating is normal, can not rely solely on this number of times to specify. First of all, it should depend on the nature. If the heart rate is sinus at 60-100 beats per minute, this condition is generally normal. However, if it is an ectopic heart rhythm, such as atrial, atrioventricular junctional zone, although the number is at 60-100 beats/min, it is also abnormal. Some people are actually normal even though they are not in sinus rhythm at 60-100 beats/min. For example, there are some athletes who usually have most of their heart rhythms at around 50 beats/min at rest, and this condition is not considered a disease. Although the definition of ECG is sinus bradycardia, it is not a disease, it is also a normal phenomenon and a normal heart rate. In addition, many normal people may have a heart rate of less than 60 beats/min at night when they are resting, or more than 100 beats/min when they are active, which is also normal and not considered a disease.