Commonly used antihypertensive drugs mainly have the following five categories: 1, ACEI class antihypertensive drugs: the first class is ACEI class antihypertensive drugs, the representative drugs are benazepril, perindopril, etc.; 2, calcium channel blockers: the second class is calcium channel blockers, the representative drugs are felodipine, benedipine, etc.; 3, ARB class antihypertensive drugs: the third class is ARB class antihypertensive drugs, the representative drugs are temisartan, irbesartan, etc.; 4, beta-blockers: the fourth class is beta-blockers, the representative drugs are metoprolol, bisoprolol, etc.; 5, diuretics: the fifth class is diuretics, the representative drugs are metoprolol, bisoprolol, etc. 4, beta-blockers: the fourth category is beta-blockers, the representative drugs are metoprolol, bisoprolol, etc.; 5, diuretics: the fifth category is diuretics, the representative drugs are hydrochlorothiazide, indapamide, etc. The above drugs belong to the first line of long-acting antihypertensive drugs, which are more widely used in the clinic and belong to the preferred antihypertensive drugs. There are also some antihypertensive drugs, such as alpha-blockers, representing drugs such as terazosin and prazosin, which are more suitable for patients with hypertension with renal failure.