Diabetic patients can eat grapes, but should pay attention to the right amount, is not recommended to consume too much at once, so as not to plummet blood sugar, aggravate the condition. Diabetes is a chronic disease caused by defects in insulin secretion and (or) utilization, and is often manifested clinically as hyperphagia, weight loss, thirst, increased water intake, and increased urine output. Grape glycemic index of 43, belonging to the low glycemic index fruits, diabetic patients can eat grapes in moderation, avoid excessive consumption, in order to prevent the cause of elevated blood sugar, aggravate the condition. Diabetic patients should pay attention to a reasonable diet, avoid eating too much high-carbohydrate food in a short period of time, limit the intake of sugar, salt and oil, and recommend the consumption of whole grains, vegetables, etc., and eat fruits in moderation. Please refer to the guidance of dietitians for specific dietary regimen.