Two-hour postprandial blood glucose 8.2mmol/L is on the high side and not normal. The two-hour postprandial blood glucose is generally calculated from the two-hour blood glucose concentration after eating, the normal range of two-hour postprandial blood glucose should be less than 7.8mmol/L, so the two-hour postprandial blood glucose 8.2mmol/L belongs to the high, not normal. When the two-hour postprandial blood glucose is at 7.8~11.1mmol/L, consider that hypoglycemia may have occurred. Hypoglycemia can be treated by dietary control and appropriate exercise. Dietary control includes controlling the total calorie intake and maintaining a low-salt, low-fat and low-sugar diet; exercise includes aerobic exercise, such as jogging, swimming, etc., and it is recommended to exercise for at least 150 minutes per week. In case of abnormal blood glucose two hours after meal, it is recommended to go to the hospital for consultation.