Postprandial blood glucose generally refers to 2-hour postprandial blood glucose, if the patient exists typical symptoms of diabetes, fasting blood glucose 7.2mmol/L, postprandial blood glucose 9.2mmol/L is required to take medication, if there is no typical symptom of diabetes, you can retest the blood glucose on another day, if the fasting blood glucose ≥ 7.0mmol/L or 2-hour postprandial blood glucose ≥ 11.1mmol/L also need to take medication. Normal fasting blood glucose value is 3.9-6.1mmol/L, 2 hours after meal blood glucose normal value <7.8mmol/L. When the patient's fasting blood glucose 7.2mmol/L, postprandial blood glucose 9.2mmol/L has reached the diagnostic criteria for diabetes, if there is diabetes three more than one symptom, or the non-same day fasting blood glucose ≥7.0mmol/L or 2 hours after meal blood glucose ≥11.1mmol/L, if there is diabetes three more than one symptom, or non-same day fasting blood glucose ≥7.0mmol/L or 2 hours after meal blood glucose ≥11.1mmol/L, the patient should take medication. 11.1mmol / L, consider the existence of diabetes, need to choose the appropriate glucose-lowering drug treatment under the guidance of the doctor. Diabetic patients should pay more attention to diet, light diet, small meals, moderate exercise after meals, weight control, attention to regular monitoring of blood glucose levels and glycated hemoglobin. Fasting blood glucose 7.2mmol / L, postprandial blood glucose 9.2mmol / L, has reached the diagnosis of diabetes mellitus standards, it is recommended that the patient seek medical attention in a timely manner, under the guidance of clinicians to standardize the treatment, so as not to delay the condition.