A walking heart rate of 120 beats per minute, also belongs to the normal range, sit still for 20 minutes after measuring the heart rate is still greater than 100 beats per minute, it may be due to hyperthyroidism or anemia and other diseases, it is recommended to go to the hospital to check the electrocardiogram symptomatic treatment. 1. Normal range: the normal human heart rate of 60-100 beats per minute, if walking, emotional instability and other situations, the heart rate will increase, this is a normal phenomenon, first of all, sit still for 20 minutes, and then measure the heart rate to see if it is normal, if the heart rate still does not fall, it may be due to disease. 2. Hyperthyroidism or anemia: hyperthyroidism and thyroxine is too high, manifested as excessive sweating, panic, can be under the guidance of the doctor oral methimazole and other drugs; anemia can lead to tissue organ hypoxia, heart rate increases, it is recommended that timely medical treatment according to medical advice. This kind of situation suggests that can not be relieved in time, must go to the regular hospital to follow the doctor’s advice for diagnosis and treatment, do not use drugs privately, so as not to cause danger.