At present, the main antihypertensive drugs used clinically are diuretics, such as hydrochlorothiazide, B receptor antagonists, such as metoprolol, atenolol, calcium channel antagonists, mainly nifedipine, angiotensin converting enzyme inhibitors, commonly betazepril, enalapril, etc. When several kinds of drugs are used to treat hypertension clinically, different doses of antihypertensive drugs are selected according to the patient's blood pressure value and complications. When using antihypertensive drugs, It is also necessary to pay attention to general lifestyle interventions, such as low salt diet, weight loss, proper physical activity, smoking cessation, etc.