Blood pressure of 180/120 mmHg belongs to grade 3 hypertension, also called severe hypertension. For this type of hypertension, we should immediately start to initiate medication for antihypertensive treatment, and we should use a combination of antihypertensive drugs with different antihypertensive mechanisms to lower the blood pressure, select reasonable antihypertensive drugs according to the specific situation of the patient, achieve individualized treatment, and gradually control the blood pressure in the target range. In addition to lowering blood pressure, we should actively improve lifestyle, eat a light diet, reduce sodium and fat intake, increase exercise, control weight, eat fresh vegetables and fruits every day, quit smoking and limit alcohol, and maintain a good state of mind. It is also necessary to actively control other cardiovascular risk factors, such as high blood sugar, high blood lipids, high uric acid and high homocysteine.