Metoprolol tartrate tablets generally do not raise blood sugar, but can inhibit the sympathetic nerve, the effect on blood sugar is that it may mask the symptoms of hypoglycemia, it is recommended that under the guidance of a doctor to clarify the effect of metoprolol on their own blood glucose, and comply with the doctor’s instructions to adjust the use of medication. Metoprolol tartrate belongs to the β-receptor antagonist, can inhibit myocardial contractility and slow down the heart rate, inhibit sympathetic excitation, mainly used for hypertension, angina pectoris, aortic coarctation, arrhythmia and other diseases treatment. It is mainly used in the treatment of hypertension, angina pectoris, aortic dissection, arrhythmia and other diseases. It is forbidden for patients with cardiogenic shock, sick sinus node syndrome, II, III degree AV block and so on. Metoprolol has a small effect on insulin release and glucose metabolism, and generally does not raise blood glucose; the effect of metoprolol on hypoglycemia is that when hypoglycemia occurs, it can mask symptoms such as panic, sweating, and hand tremors, leading to aggravation of hypoglycemia and causing danger. It is recommended that the medication be used under the supervision of a doctor to synthesize the condition and follow the doctor’s instructions.