Diabetes is mainly the following indicators are higher, 1, fasting blood glucose this indicator is significantly higher than normal, normal people fasting blood glucose is 3.9-6.1mmol/L. Diabetic patients fasting blood glucose at least 7mmol/L or more, some patients measured 2h after meal blood glucose is also significantly higher. Normal people should have less than 7.8mmol/L, but diabetic patients usually have more than 11.1mmol/L. 2. glycosylated hemoglobin, this indicator represents the average level of blood glucose in the past 2-3 months, and this indicator is definitely higher in diabetic patients. 3. urinalysis, urine sugar in normal people is (-), and urine sugar in diabetic patients is obviously increased at least (+) or more.