Bisoprolol 1/4 per day is effective in some cases, but the specific dosage to be used should follow the doctor’s instructions. Bisoprolol belongs to the beta-blocker, which has the effect of lowering blood pressure and slowing down the heart rate, and the main clinical indications are coronary heart disease, hypertension, tachyarrhythmia and so on. Bisoprolol fumarate has two specifications, 5mg/tablet and 10mg/tablet, when taking the drug to refer to the specific of the drug, patients with heart failure try to start with a small dose and gradually increase the dose. Bisoprolol belongs to the western prescription drugs, the adverse reactions of the drug are skin cold, headache and dizziness, nausea, vomiting, hypotension, bradycardia, dyspnea and so on, for the drug component allergy, cardiogenic shock, second degree and third degree atrioventricular block, hypotension, severe bradycardia, bronchial asthma and so on, the patients are prohibited. Bisoprolol should be taken orally according to the dosage, avoiding tablets as the dose.