The duration of hospitalization for blood pressure as high as 180 mmHg is patient-specific and cannot be generalized. If the systolic blood pressure is as high as 180mmHg, this is a very dangerous situation, belonging to the third level of hypertension, that is, usually said to be severe hypertension. If it is not controlled timely and effectively, vascular accidents such as cerebral hemorrhage are likely to occur at any time, leading to coma or hemiparesis, and it is recommended to go to the cardiovascular department in a timely manner and be hospitalized according to the doctor’s instructions. For secondary hypertension, i.e. hypertension caused by other underlying diseases, such as primary aldosteronism, Cushing’s syndrome, renal hypertension, etc., the patient needs to be actively treated for the primary disease, and the hospitalization time may be about 1 week. In case of primary hypertension, it is necessary to cooperate with the cardiovascular physician to carry out active treatment, choose appropriate antihypertensive drugs, usually after 2-4 weeks can achieve the effect of smooth lowering of blood pressure. Patients with hypertension are advised to improve their daily living habits, preferably quit smoking and drinking, eat a low-salt and low-fat diet, pay attention to rest, avoid exertion, and avoid being overly emotional.