The price of Metoprolol Succinate Extended-Release Tablets is about$30 per box, with slight price volatility due to regional and hospital differences at all levels, but the fluctuations are not particularly large. Metoprolol succinate extended-release tablets are one of the typical representatives of beta-blockers, which are very widely used in clinical practice because of the drug’s effect of slowing down the ventricular rate and also preventing ventricular remodeling, which is very widely used in patients with coronary heart disease and also in patients with arrhythmias. For arrhythmias, it is commonly used to treat sinus tachycardia, premature atrial beats, premature atrioventricular junctional beats, and premature ventricular beats. Ventricular premature beats are limited to a small number of premature beats. If the number of premature beats is large, the effect of metoprolol succinate extended-release tablets alone is not very satisfactory and other antiarrhythmic drugs can be considered, which needs to be analyzed on a case-by-case basis.