Oatmeal milk porridge can cause elevated blood sugar. Although the glycemic index of oatmeal milk porridge is lower than that of rice porridge and millet porridge, oatmeal will eventually be converted into simple sugars, causing an increase in blood sugar. So people with diabetes or high blood sugar should consume oatmeal milk porridge in moderation. If diabetic or hyperglycemic patients want to consume oatmeal milk porridge, they should pay attention to the fact that the oats should not be boiled for too long and the amount they eat should not be too much. Although oats belong to coarse grains, rich in dietary fiber, more suitable for diabetes or high blood sugar patients, but such coarse grains also contain carbohydrates, if boiled for too long, it will become more easily digested, rapid rise in sugar. Diabetes or high blood sugar patients also need to consult a doctor in a timely manner, under the guidance of a reasonable diet and standardized treatment.