Blood glucose fasting 8.23 mmol/L postprandial 9.64 mmol/L may be diabetes mellitus, which requires prompt medical attention. Fasting blood glucose ≥7.0 mmol/L, or 2-hour post glycemic load blood glucose ≥11.1 mmol/L, or random blood glucose ≥11.1 mmol/L, accompanied by three more and one less symptom (more drinking, more eating, more urination, and weight loss), may diagnose diabetes. Fasting blood glucose ≥7.0 mmol/L or two-hour postprandial blood glucose ≥11.1 mmol/L monitored twice on non-same day without symptoms of diabetes is also considered to be diagnostic of diabetes. Fasting blood glucose 8.23mmol / L, reaching the blood glucose standard of diabetes, postprandial blood glucose 9.64mmol / L also belongs to the elevated level, it is recommended that the patient seek medical treatment in a timely manner, and further improve the oral glucose tolerance test and other tests to clarify the diagnosis. Patients with elevated blood glucose are advised to seek prompt medical attention.