The normal blood pressure for adults is 90-139 mmHg systolic and 60-89 mmHg diastolic. blood pressure greater than or equal to 140/90 mmHg is considered hypertension, which can be caused by a variety of reasons, including primary hypertension, which is mainly related to genetic factors. In addition, with long-term late night, stress, sympathetic nerve activity can also lead to increased blood pressure. A small number of patients have secondary hypertension, mainly secondary to certain diseases, such as renal artery stenosis, primary aldosteronism, pheochromocytoma, Cushing’s syndrome, etc. For elevated blood pressure, the key is to choose long-acting antihypertensive drugs to control blood pressure normally and steadily, usually need to low salt and low fat diet, appropriate exercise, quit smoking and alcohol, avoid staying up late, maintain a good mood, regular rest and rest, secondary hypertension needs to be treated for the cause.