If the fasting blood glucose is more than 10 points usually need to take medicine; if the blood glucose is more than 10 points 2 hours after meal, you can not take medicine first, to control the diet and appropriate exercise. 1. Fasting blood glucose: Fasting blood glucose ≥ 7.0mmol / L at the same time when the symptoms of diabetes can be diagnosed as diabetes. If the diagnosis of diabetes mellitus is clear, oral medication, such as metformin hydrochloride, acarbose, etc., or insulin injection is usually required. 2. 2-hour postprandial blood glucose: 2-hour postprandial blood glucose 7.8-11.0mmol/L belongs to pre-diabetes, you can first control the diet, appropriate exercise, it is possible that the blood glucose return to normal. If the blood glucose 10 points more than recommended to do further relevant examinations, a clear diagnosis of timely treatment, specific medication, follow the doctor’s instructions.