High blood pressure refers to elevated diastolic blood pressure, and there are several common clinical reasons for this: first, increased heart rate, the diastolic period of the heart is relatively shorter after the heart rate increases, the blood flow to the periphery during the diastolic period of the heart is reduced, and the diastolic blood pressure is elevated at the end of the diastolic period. Second, the peripheral vascular resistance increases, in which case the resistance of blood flowing from the aorta to the periphery will increase, the amount of blood flowing to the periphery will decrease in the same time, and the amount of blood in the aorta will increase, which will lead to an increase in diastolic blood pressure. Third, bad habits, such as patients used to stay up late, lack of sleep, usually lack of exercise, mental stress, emotional tension, anxiety or overweight, these conditions can cause patients with elevated diastolic blood pressure. Forming a good routine, exercising regularly and losing weight can help reduce diastolic blood pressure.