When patients take Bisoprolol Fumarate Tablets to treat heart failure, control heart rate and improve myocardial blood supply, it is generally recommended to take it for a long time under the guidance of a doctor and not to stop it on your own. Bisoprolol fumarate is a highly selective beta-blocker with the therapeutic effect of inhibiting sympathetic excitation, suppressing myocardial contraction, controlling heart rate and lowering blood pressure. When used for the treatment of coronary heart disease, rapid arrhythmia, and heart failure, it can be taken for a long time and should not be discontinued blindly on its own. After stopping the drug by itself, patients may experience increased excitability of sympathetic nerves, faster heart rate and increased oxygen consumption of the heart muscle, which may cause tachycardia and angina attack. In addition, if patients experience bradycardia, hypotension, conduction block, etc. after taking Bisoprolol Fumarate Tablets, they should go to the hospital and reduce the dose of the drug according to the doctor’s instructions or stop the drug in stages.