Fasting blood glucose in the morning is normal after eating a meal high blood glucose is considered to be eating too much food, impaired glucose tolerance, diabetes and other disease factors, need to be under the guidance of the doctor to carry out targeted treatment, such as general treatment, drug therapy. 1. Hypoglycemia: Fasting blood glucose can be normal, but the two-hour postprandial blood glucose is elevated at 7.8~11.1mmol/L; at this time, it is necessary to control the diet, such as controlling the total calorie intake, maintaining a low-salt, low-fat, low-sugar diet with appropriate aerobic exercise, such as jogging, jumping rope, swimming and so on. 2. Diabetes: two-hour postprandial blood glucose is greater than or equal to 11.1mmol/L and there are typical diabetes “three more and one less” symptoms; at this time, not only need to dietary control, appropriate exercise, but also need to follow the medical advice to take metformin, acarbose and other hypoglycemic drug therapy or insulin injection therapy. It is recommended to go to the hospital when the fasting blood glucose is normal in the morning and high after eating, so that the doctor can make a judgment and formulate a treatment plan.