A systolic blood pressure of 170 mmHg and a diastolic blood pressure of 110 mmHg are clinically considered severe hypertension. Common primary hypertension is a chronic disease, the patient’s body will have a process of adaptation, younger patients may gradually adapt to higher blood pressure, so the perception is not great, nothing to feel. Hypertension is a systemic disease that can lead to many complications, such as long-term high blood pressure can lead to left ventricular hypertrophy, causing hypertensive heart disease; at the same time, high blood pressure leads to cerebral aneurysm risk is greatly increased, once ruptured the consequences are unimaginable; in addition to high blood pressure on the kidneys, the retina of the eye have very serious damage. Moderate high blood pressure requires timely drug treatment, patients should take regular antihypertensive drugs under the advice of the doctor, and supplemented with exercise and low-salt diet to control blood pressure.