Glycated hemoglobin is normal, fasting and postprandial blood glucose are high, indicating the existence of glucose metabolism disorder, need to determine how to treat according to the specific value, if high to the diagnostic standard of diabetes, need to be treated with dietary therapy, exercise therapy, medication, etc.; if only high but not yet reached diabetes, you can first focus on diet and exercise therapy. 1. Adjust the dietary structure: patients with normal glycosylated hemoglobin and high fasting and postprandial glucose need to adjust their dietary structure, low-salt, low-fat, low-salt diet, avoiding foods with high glycemic index, and quitting smoking and limiting alcohol. 2. Appropriate exercise: such as swimming, running, brisk walking, hiking, etc. Overweight or obese people need to lose weight. 3. Use of drugs: If high blood glucose reaches the diagnostic standard of diabetes, oral hypoglycemic drugs or insulin injection is needed to lower sugar treatment. It is recommended that once you find yourself high blood sugar, timely medical improvement of relevant examinations, standardized treatment. In addition, drugs should be used under the guidance of a doctor, do not blindly use drugs.