Blood glucose 8.5mmol / L need to seek medical advice to clarify the diagnosis, if it is two hours after meal blood glucose 8.5mmol / L, without medication, through active diet and exercise treatment, blood glucose may be able to be restored, it is recommended to follow the doctor’s advice. The normal range of fasting blood glucose is 3.9~6.1mmol/L, if the blood glucose 8.5mmol/L is fasting blood glucose, consider the possibility of diabetes mellitus, do not take medicine, generally can not be recovered by themselves. Two-hour postprandial blood glucose is normal for less than 7.8mmol / L, if the two-hour postprandial blood glucose 8.5mmol / L is to consider the possibility of abnormal glucose tolerance, at this time, through active dietary control, appropriate exercise and other treatments, blood glucose has the possibility of recovery. It is recommended to go to the hospital and ask the doctor to make a judgment when abnormal blood glucose value occurs.