Lol antihypertensive drugs belong to beta-blockers, commonly used drugs include metoprolol, bisoprolol, propranolol, atenolol, esmolol, etc. Among them, both metoprolol and esmolol are available in intravenous form, while the other types are only available in oral form. Metoprolol and bisoprolol are used more often in clinical practice, and these drugs are suitable for patients with hypertension who have a relatively fast heart rate. Young people with hypertension often combined with increased heart rate are suitable for the application of beta-blockers to lower blood pressure. beta-blockers are more effective in controlling heart rate, and the strength of lowering blood pressure is not great. clinically beta-blockers can also be used for coronary heart disease, angina pectoris, hyperthyroidism, arrhythmogenic diseases, such as frequent atrial premature, ventricular premature, sinus tachycardia, etc.