Severe hypertension can be accompanied by brain, cardiovascular, kidney and other multi-organ damage, patients need to be treated through general treatment, oral medication, intravenous drugs and other ways of treatment. 1. General treatment: patients with severe hypertension need to limit the intake of sodium, alcohol and fat, strictly quit smoking, take outdoor exercise, and develop good habits of life and work, and maintain a healthy mental state. 2. Oral medication: patients with severe hypertension need to take captopril, nifedipine and other antihypertensive drugs under the guidance of the doctor, patients need to strictly follow the doctor’s instructions to use medication, and it is strictly forbidden to stop or reduce the medication on their own, to prevent fluctuations in blood pressure, which will aggravate the condition. 3. Intravenous drugs: patients with severe hypertension need to lower their blood pressure in time when the blood pressure rises suddenly, and patients can lower their blood pressure by injecting sodium nitroprusside and nitroglycerin intravenously, so as to prevent serious acute complications such as hypertensive encephalopathy. It is recommended that patients take medication according to the doctor’s instructions and go to the hospital regularly for follow-up.