The heart rate can reach 100~120 beats/min when walking fast. Normal people in a quiet state heart rate of 60 ~ 100 times / min, fast walking heart rate of up to 100 ~ 120 times / min, part of the heart may appear panic shortness of breath chest tightness and other symptoms, generally belong to the normal physiological phenomenon. Under normal circumstances, people’s heart rate after exercise is fast, resting state or sleep heart rate is slow, is a normal physiological phenomenon. Some pathological conditions may also lead to increased heart rate, such as anemia, fever, hyperthyroidism or heart disease, etc., at this time you need to go to the hospital for relevant examinations, and give relevant drugs for treatment, such as β-blocker propranolol, etc. to lower the heart rate. When the heart rate is obviously abnormal, it is necessary to actively consult the doctor and follow the doctor’s instructions for reasonable treatment.