Postprandial blood glucose generally refers to the 2-hour postprandial blood glucose, postprandial blood glucose 9.7mmol/l whether the need to apply glucose-lowering drugs, need to combine with the patient’s specific situation to determine, if it is a glucose tolerance is reduced, it is not necessary to take glucose-lowering drugs for the time being, but need to be treated with diet and exercise; if there is diabetes, you need to take glucose-lowering drugs or the application of insulin injections. 1. Decreased glucose tolerance: if the patient’s fasting blood sugar is normal or not more than 7mmol/l, in this case, the postprandial blood sugar 9.7mmol/l belongs to impaired glucose tolerance, you can adjust the diet, pay attention to low sugar, low fat, pay attention to eat less and more frequent meals, strengthen the body to exercise, and observe the changes in blood glucose after, you can not use the drug for the time being. 2. Diabetes: If the patient’s fasting blood glucose is greater than or equal to 7.0mmol/l, there are three more and one less typical symptoms of diabetes, considering the existence of diabetes in the patient, at this time it is necessary to regular use of medication to regulate, you can generally take oral metformin and other drugs or the application of insulin injection. If the patient has postprandial glucose elevation, need to consult a doctor in time to observe, under the guidance of the doctor to standardize the treatment, to avoid causing delays in the condition.