Patients with diabetes can eat grapefruit, but to choose a good time and amount, appropriate eating grapefruit can replenish the body’s vitamins, blood glucose control is more satisfactory can be appropriate to eat fruits, generally choose between two meals, to avoid the peak point of blood glucose, after 2.5 hours after the meal, more than one hour away from the next meal to eat fruit. Try not to add fruit if your blood sugar levels have increased or been unstable in recent days. Diabetic patients’ diet has a special dietary guidelines, pay attention to balanced nutrition, coarse and fine combinations, as well as timing, quantitative, but also pay attention to the way of cooking, recommended poaching, stewing, steaming, do not recommend deep-frying, stir-frying, to avoid excessive fat content, containing less calories of vegetables can be appropriate to eat more. Pomelo contains high vitamin C, but the sugar content is slightly higher, so for diabetic patients can eat, but not eat more.