The diagnostic criteria of diabetes are multiple fasting blood glucose ≥ 7.8 MMO 1/L, or postprandial blood glucose ≥11.1MMO1/L; Or diabetic symptoms plus blood glucose ≥11.1mmmo1/l (200mg/d1), or fasting blood glucose ≥ 7. ommo 1/L( 125mg/d 65448)。 Accidental increase in urine glucose can not be used as a diagnostic basis for diabetes, but only as a reference.