High heart rate during running may be caused by physiological and pathological conditions, which can be alleviated by reducing exercise and medication. 1. Physiological heart rate elevation: generally speaking, heart rate will be elevated when running, the degree of heart rate elevation is directly related to the size of the exercise volume and the length of the exercise time, and most of the time, through resting or reducing the amount of exercise when running, the heart rate will be gradually lowered, and there will not be any obvious discomfort in itself. 2. Pathological heart rate elevation: In general, if you have heart disease, lung disease, hyperthyroidism, severe anemia and other diseases, slower running can lead to a significant increase in heart rate, and there will be dyspnea, chest tightness and shortness of breath symptoms. When this situation occurs, you should pause running, pay attention to rest, take deep breaths, and if it doesn’t decrease, you need to take oral medication such as metoprolol tartrate and digoxin to slow down your heart rate. Running needs to be planned in accordance with their own physical condition, not excessive exercise, when there are other symptoms need to go to the hospital in a timely manner to seek medical treatment, standardized treatment under the guidance of medical advice.