The normal range of diabetes should be as follows: 1. blood glucose, the normal range of blood glucose for diabetic patients should be 4.4-7.0mmol/L, which is fasting blood glucose, postprandial blood glucose must be less than 4.4-10mmol/L. 2. glycated hemoglobin, which can be evaluated for the last 2-3 months, the normal range of blood glucose for diabetic patients is 4%-6%. 3. Body mass index, generally should be less than 24. for blood pressure should be less than 140-90mmHg and blood lipids should all be within normal range.