A heart rate of 110~120 beats/minute has an effect on the body. Under normal circumstances, the heart rate of each person is 60~100 beats per minute, when the heart rate reaches 110~120 beats per minute, it belongs to the situation of tachycardia. When the heart rate is too fast, it will aggravate the burden on the heart and cause symptoms such as panic, shortness of breath, chest pain and other discomfort in the precordial area, and in serious cases, dizziness and even fainting may occur. When the heart rate is too fast for a long time, it may lead to heart enlargement or cause other cardiovascular diseases. If tachycardia occurs, it is recommended to go to the hospital in time for relevant examinations, to clarify the cause of the disease, and follow the doctor’s instructions for treatment, so as not to delay the condition.