The glycemic index of porridge is higher than that of rice and steamed buns, and diabetic patients need to choose foods with low glycemic index, so porridge is not suitable for diabetic patients. Congee is a food that has been boiled for a long time, the boiling process will destroy the polysaccharides inside at high temperatures into monosaccharides, monosaccharides are digested and absorbed faster, poor satiety, fast gastric emptying, high glycemic index, which will raise the blood sugar of diabetic patients, blood sugar will fluctuate, poor control, it is recommended that diabetic patients avoid congee food when choosing staple foods. It is also not recommended that patients eat staple foods while drinking water or milk. It is not recommended that patients choose soups or staple foods that have been boiled for a long time, nor is it recommended that patients drink water or milk while using staple foods.