There are more types of antihypertensive drugs, including diuretics, ACEI, ARB, CCB, beta-blockers, Nocinto and so on. The principle of drug selection is to lower blood pressure, protect target organs and lower blood pressure smoothly, and choose a reasonable drug treatment plan according to individual physical status. For example, in patients with systolic hypertension combined with rapid heart rate, it is recommended to choose beta-blockers, such as metoprolol, which can control the ventricular rate and lower blood pressure at the same time. For hypertension that is difficult to control, a combination of drugs is also available.