A high pressure of 150mmHg and a low pressure of 90mmHg is diagnosed as hypertension grade 1, which requires oral antihypertensive medication. Hypertension is divided into 3 grades. Hypertension grade 1 refers to a systolic blood pressure between 140-159mmHg and a diastolic blood pressure between 90-99mmHg. Hypertension grade 2 refers to a systolic blood pressure between 160-179mmHg and a diastolic blood pressure between 100-109mmHg. Hypertension grade 3 refers to systolic blood pressure greater than or equal to 180mmHg, diastolic blood pressure greater than or equal to 110mmHg. Usually, hypertension grade 1 can be reduced to the ideal level with one antihypertensive drug, which can be used for CCB, such as amlodipine, felodipine, nifedipine, etc., and also can be used for ACEI or ARB, and the drugs commonly used in the ACEI category are fosinopril, benazepril, perindopril, etc., and the ARB drugs are usually used in the ACEI category, which are commonly used in the ACEI category. The drugs of ARB class are usually chlorosartan, valsartan, timosartan and so on. At the same time, you should pay attention to reduce salt intake in your life, do not eat high-calorie and high-fat food, do not stay up late, and monitor your blood pressure more often, so that you can avoid complications.