In general, a heart rate of 180 per minute is normal during strenuous exercise such as fast running, basketball, etc. A heart rate of 180 per minute is not normal during light exercise such as yoga or walking. 1. Vigorous exercise: When exercising vigorously, a heart rate of 180 per minute is normal. In exercise, in order to make the blood supply to the limb muscles, the vagus nerve of the heart will be reduced, sympathetic excitability will be elevated, and exercise oxygen consumption increases, the need to increase the blood supply, so the heart rate will be significantly higher, will reach 180 per minute, and so on after stopping the exercise, the heart rate will slowly return to the normal state. 2. Light exercise: when the heart rate reaches 180 per minute during light exercise, it belongs to the abnormal situation. The heart rate is fast, if accompanied by panic palpitations and other symptoms, we should go to the hospital in time for examination, to clarify the cause of the disease, targeted treatment. There are individual differences in the heart rate of specific individuals, if there is chest tightness, palpitations, blackouts, fainting, it is recommended to consult a doctor as soon as possible to avoid delaying the condition.