A blood sugar of 6.32 mmol/L is usually not diabetes. If it is fasting blood sugar 6.32mmol/L, it may be pre-diabetes; if it is postprandial blood sugar 6.32mmol/L, it is normal blood sugar. Blood sugar 6.32mmol/L, first to distinguish between fasting blood sugar or postprandial blood sugar. If it is postprandial blood glucose, then it is normal blood glucose; if it is fasting blood glucose, then the fasting blood glucose is high, which belongs to pre-diabetes, but has not yet reached the diagnostic standard of diabetes. Fasting blood glucose ≥7.0mmol/L, or two hours after meal blood glucose ≥11.1mmol/L, or random blood glucose ≥11.1mmol/L, or glycated hemoglobin ≥6.5%, can be diagnosed as diabetes mellitus when any of the above mentioned criteria are met and there are typical clinical manifestations at the same time. It is recommended that the patient should consult a doctor in time to improve the relevant examinations such as glucose tolerance and hemoglobin to make a clear diagnosis.