Elderly diabetics can eat grapes, depending on the elderly diabetic blood sugar control, elderly diabetics if the blood sugar control is relatively stable, you can eat a small amount of some grapes between meals, usually does not lead to a significant rise in blood sugar, but not too much grapes at a time, so as not to cause blood sugar fluctuations. If the elderly diabetic blood sugar control is poor, it is not recommended to eat grapes in daily life, because grapes contain high sugar, if the elderly diabetic blindly eat grapes, blood sugar control does not help. Elderly diabetic patients need to make adjustments to their diet, it is recommended to focus on low-sugar foods, but pay attention to nutritional matching, it is not recommended to eat only a single type of food for a long time, so as to avoid poor nutritional intake. It is recommended that diabetic patients eat under the guidance of a medical professional.