Bisoprolol occasionally take a quarter of a tablet, if in line with the drug indications can be taken in accordance with medical advice, otherwise it is not recommended to take. Bisoprolol is mainly used for the treatment of hypertension, chronic heart failure, coronary heart disease, generally recommended regular medication, not intermittent medication; if the occasional increase in heart rate, you can take a quarter of a tablet to control the heart rate. 1. Bisoprolol is a beta-blocker, the drug is mainly used for the treatment of hypertension, coronary heart disease, congestive heart failure, etc., the treatment of the above diseases need to be regular use of medication, do not recommend intermittent use of medication. Therefore, if it is used for the treatment of hypertension, coronary heart disease, heart failure, you can not take it occasionally, you need to adhere to the doctor’s instructions daily regular medication. The dosage is one quarter of a tablet at a time if the medication is effective. 2. In addition, Bisoprolol can also control the ventricular rate, for patients with occasional heart rate increase, so the drug is effective in the case of occasional use of Bisoprolol quarter of a tablet to control the heart rate treatment. Note that the main adverse effects of bisoprolol are weakness, chest tightness, dizziness, bradycardia. The main contraindications are: shock; atrioventricular conduction disorders; sick sinus syndrome; sinus block; bradycardia; low blood pressure; bronchial asthma and advanced peripheral circulatory disorders. The use of specific drugs need to consult a professional physician, do not unauthorized use of drugs to avoid adverse consequences.