Higher blood glucose three hours after meal than two hours after meal is mostly related to eating food, poor blood glucose control, lack of exercise, etc. It is suggested to adjust diet, blood glucose treatment program, and actively exercise after meal. 1. Eating food: Higher blood glucose three hours after meal than two hours after meal may be due to eating too much food or eating too much fried, sweet and greasy food, which is difficult to digest, and the peak of blood glucose arrives only three hours after meal. Daily diet must be nutritious, balanced and light, and should not be too full. 2. Poor blood glucose control: Higher blood glucose three hours after meal than two hours after meal may be the result of unreasonable blood glucose control, the usual treatment program can not meet the existing conditions, the need to adjust the blood glucose treatment program, the appropriate addition of acarbose, metformin and other drugs. Adjustment of the treatment program should be completed by the doctor. 3. Lack of exercise: three hours after meal blood glucose is higher than two hours after meal may be lack of exercise after meal, it is recommended to exercise moderately after meal, such as running, swimming and so on can be. If you find that your blood glucose is higher three hours after meal than two hours after meal, you should go to regular hospital in time.