At present, clinical research has not found that the antihypertensive patch has a significant antihypertensive effect, hypertension antihypertensive still take oral antihypertensive drugs to lower blood pressure, commonly used antihypertensive drugs have five major categories. 1. Calcium ion receptor antagonists: dilate blood vessels, reduce peripheral resistance to achieve antihypertensive effect. Commonly used drugs are nifedipine, amlodipine and so on. 2. Angiotensinase inhibitors or receptor inhibitors: antagonize the vasoconstrictor effect of angiotensin to reduce blood pressure. Commonly used captopril, perindopril and so on. 3. Diuretics: increase urine output, reduce circulating blood volume to lower blood pressure. Commonly used furosemide, hydrochlorothiazide, spironolactone and so on. 4. β-blocker: reduce myocardial contractility, reduce cardiac output. Bisoprolol, metoprolol, atenolol, etc. are commonly used. The selection of antihypertensive drugs follow the principle of individualization, pay attention to the contraindications and adverse effects of drugs, and need to apply antihypertensive drugs under the guidance of doctors.