There are many combinations of antihypertensive drugs. Currently, a relatively optimal combination of antihypertensive drugs is a combination of a dihydropyridine calcium channel blocker with a priligy or a sartan. Among them, the representative drugs of the class of priligy or sartan are Benazepril and Crosartan. There are also preferred combinations such as the combination of a proli or sartan drug with a thiazide diuretic. Among them, the representative drugs of thiazide diuretics are mainly hydrochlorothiazide. There are also dihydropyridine calcium channel blockers combined with thiazide diuretics is also a very preferred combination. In addition, the combination of dihydropyridine calcium channel blockers with beta-blockers is also a very advantageous combination, where the calcium channel blockers mainly refer to felodipine, amlodipine and other drugs. The representative drugs of beta-blockers are bisoprolol, metoprolol, etc.