Diabetic patients can eat less and more meals, especially for the elderly diabetic patients, their gastrointestinal function is poor, poor digestion and absorption, eating less and more meals daily can reduce the burden on the gastrointestinal tract, facilitate the control of postprandial blood glucose, reduce the postprandial blood glucose fluctuations and reduce the damage to the vascular endothelium, in the long run can delay the occurrence of chronic complications of diabetes. Eating less and more meals daily still requires strict control of the total daily calorie intake to avoid excessive calorie intake causing weight gain and blood sugar fluctuations. Therefore, diabetic patients can eat fewer and more frequent meals to help control blood sugar and improve gastrointestinal function. Of course, three meals a day and regular rationing is still a recommended diet because it can better control blood sugar.