The diagnostic criteria for diabetes are uniform regardless of age, and the range of fasting blood glucose for people aged 60 is still 3.9-6.1 mmol/L and two hours after meal blood glucose <7.8 mmol/L. Diabetes can be diagnosed if fasting blood glucose >7.0 mmol/L and two hours after meal blood glucose >11.1 mmol/L. In terms of blood glucose control, if the underlying conditions are poor and there are many complications, the numerical control of blood glucose can be adjusted appropriately. for people aged 60, the range of normal blood glucose value is mainly determined according to the specific situation of the patient. for patients aged 60 who already have diabetes, the analysis should be based on the patient’s complications. If there is cerebral hemorrhage, cerebral thrombosis, myocardial infarction, post-heart bypass surgery or diabetic foot amputation, diabetic nephropathy, diabetic retinopathy, etc., and the patient has reduced exercise and weak autonomy, the control value of blood sugar can be slightly relaxed, with fasting blood sugar of 7.0-7.5mmol/L, two-hour postprandial blood sugar value controlled at 8.5-9.0mmol/L, as well as glycated hemoglobin control at 6.4% is considered normal. If a 60-year-old patient has no underlying disease and is in good health, it is recommended that he/she should control fasting blood sugar at 6.5-7.0mmol/L, two-hour postprandial blood sugar at 8.5mmol/L, and glycated hemoglobin at 6.3%. 60-year-old patients should try to control the total daily calorie intake regardless of whether they have diabetes due to the lower metabolism. You can eat more foods high in fiber and vitamins, and less foods high in sugar, salt and oil. Regular medical check-ups, proper exercise, doing something such as walking, tai chi, etc.