The commonly used drugs for hypertension are divided into five categories: 1. Diuretics, including furosemide, are mainly suitable for patients with hypertension and heart failure, such as patients with edema of both lower limbs, and also suitable for hypertension combined drugs. 2. Beta receptor blockers, commonly betaloc or bisoprolol fumarate, are mainly applicable to patients with coronary heart disease and faster ventricular rate, to improve myocardial blood supply and control ventricular rate, and have the effect of lowering blood pressure. 3. ACEI, commonly known as fosinopril, benazepril, etc., is mainly suitable for patients with hypertension complicated by coronary heart disease, heart failure, and kidney failure. 4. ARB. It is mainly a substitute for ACEI. It is suitable for patients with dry cough intolerance after taking ACEI orally, and also suitable for patients with hypertension combined with coronary heart disease, heart failure and renal insufficiency. 5. Calcium ion antagonist, commonly used in patients with high blood pressure, commonly used drugs are amlodipine maleate tablets.