Metoprolol tartrate can be taken for atrial premature beats. Metoprolol tartrate belongs to the category of beta receptor antagonists, and after taking it, it can inhibit myocardial contractility and slow down the heart rate. Secondly, it can reduce the pacemaker cell autoregulation and prolong supraventricular conduction time. It is mainly used in the treatment of hypertension, angina pectoris, arrhythmia and other diseases. Atrial premature beats are a type of arrhythmia that can be treated with metoprolol tartrate. The drug may be taken with dizziness, bradycardia, nausea, weight gain, sleep disturbances and other discomforts. It is contraindicated for people with cardiogenic shock, unstable heart failure, low blood pressure, and allergy to the components of this drug. Secondly, blood pressure needs to be monitored in the process of taking the drug to avoid hypotension, and it should be used with caution for people with cardiac insufficiency and hepatic insufficiency, and pregnant women and lactating women need to use the drug under the guidance of a doctor. If you need to take metoprolol tartrate for atrial premature beats, it is recommended that you consult a doctor in time to decide on the dosage of the drug and learn the precautions after a comprehensive assessment of your condition under the guidance of a doctor.