The middle-aged man in his fifties has a blood sugar of 7.6 mmol/L. If it is fasting blood sugar, consider diabetes and may need to take medication; if it is 2-hour postprandial blood sugar, there is no need to take medication. Pancreatic function decreases with age, but the diagnosis of diabetes mellitus is based on the value of blood glucose, the middle-aged man in his fifties blood glucose 7.6mmol/L, if it is fasting blood glucose, consider the possibility of diabetes mellitus, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to improve other tests, if necessary, medication treatment. If it is postprandial blood sugar 7.6mmol / L, it is within the normal range, do not need to take hypoglycemic drugs. Middle-aged people in their fifties with a blood sugar of 7.6mmol/L can seek medical attention to clarify the situation under the guidance of a doctor.