Low pressure is also called diastolic blood pressure, the normal range of the human body is 60-90mmHg, if the low pressure is high, that is, greater than 90mmHg, it is called low pressure hypertension. There are many causes of low pressure hypertension, such as poor diet, obesity, genetic factors and environmental factors; in addition, heart valve disease, dilated cardiomyopathy, etc., can cause low pressure hypertension. Once the high pressure occurs, it needs to be actively treated. In terms of treatment, we can improve the diet, so as to reduce oil and salt, eat more green vegetables and fruits, and exercise properly. There are also medications, including oral antihypertensive drugs, such as nifedipine, captopril, valsartan and other drugs, which can be adjusted for high low pressure.