If the patient’s heart rate is fast while standing, the common clinical causes are postural heart rate increase, myocardial ischemia type heart rate increase, and heart rate increase after meals. It is recommended that patients can take medication and pay attention to diet to regulate. 1. Postural heart rate increase refers to the increase in heart rate when the patient changes position, this situation as long as the patient slows down when changing position, it is possible to improve the symptoms, do not need to worry too much, if the symptoms are not relieved, it is recommended that the patient can take some anti-arrhythmic drugs, such as metoprolol. 2. Myocardial ischemic heart rate increase refers to the cardiac function impaired due to ischemia of cardiomyocytes, thus making the heart compensatory heart rate increase, this situation suggests that patients can take some vasodilator drugs, such as nifedipine extended-release tablets. 3. Heart rate increase after meals refers to the heart rate increase after meals caused by the patient’s sympathetic nerve excitation, this situation suggests that the patient pay more attention to the diet, do not eat too full, eat less spicy stimulating food. It is recommended that the patient identify the primary cause of the disease as soon as possible, and then do the appropriate treatment under the guidance of the doctor.