Blood glucose is 7.7 usually means blood glucose 7.7 mmol/L, can not determine whether the need for medication, should be clear is the fasting blood glucose and 2 hours after meals blood glucose, further need to check the glucose tolerance test. If the 2-hour postprandial blood sugar, within the normal range, usually do not need to take drugs. 1. Fasting blood glucose 7.7mmol/L, belongs to high blood glucose, it is recommended to consider perfect glucose tolerance test, if diagnosed with diabetes mellitus, can consider dietary control and exercise therapy, if still poor glycemic control, can consider metformin tablets hypoglycemic treatment. 2. 2-hour postprandial blood glucose 7.7mmol/L, within the normal range, usually do not need to take medication. Blood glucose 7.7mmol/L is recommended to consult the endocrinology department, under the guidance of the doctor reasonable treatment.