The generic name of Betalucel is metoprolol, low blood pressure after stenting can stop metoprolol, but gradually reduce the amount, adjust the dose under the guidance of the physician. After stenting, some patients need to take oral metoprolol to reduce myocardial oxygen consumption, improve the prognosis of patients, and reduce the attack of angina pectoris; if low blood pressure occurs in the course of taking the medicine, the dosage of metoprolol can be gradually reduced, and the medicine can be stopped if necessary, but it can’t be stopped suddenly. Patients with low blood pressure after stenting can gradually reduce the dosage of metoprolol, for example, the dose can be adjusted once a week, and the drug can be gradually discontinued after reaching the minimum maintenance amount; sudden discontinuation of metoprolol may lead to the occurrence of sudden tachycardia. Metoprolol is a prescription drug required, the adverse effects of the drug are hypotension, fatigue, dizziness, cold extremities, stomach upset, dyspnea, etc. It is contraindicated in patients with allergy to the drug components, hypotension, bronchial asthma, cardiogenic shock, second-degree-third-degree atrioventricular block, and morbid sinus node syndrome. Adjustment of metoprolol in patients after stenting should be in accordance with the doctor’s instructions, avoiding self-adjustment of the dose to avoid adverse consequences.