Metoprolol tartrate is betaxolol, which belongs to is a beta-blocker and has the effect of inhibiting beta receptors, especially for cardiomyocytes. But for metoprolol tartrate, the dosage depends on the disease itself and the individual’s physical condition. First, the indications are hypertension, angina pectoris, and arrhythmia. For hypertension dosage is usually 2 times/day, 1 time/tablet. For arrhythmia, if the heart rhythm is fast, it can be 2 times/day, 1 time/tablet, 1 tablet means 25mg. if used to treat coronary heart disease, the dosage depends on the patient’s blood pressure and heart rhythm. If the blood pressure is high and the heart rhythm is fast, the dosage can be increased and can be 25mg/time, 2 times/day. If the heart rhythm is not fast and the blood pressure is not high, the dosage should be smaller, maybe 1/4-1/2 tablet, 2 times/day, taken orally. The above content is for reference only, the specific medication, treatment please according to the doctor’s face to face guidance shall prevail.