Diabetic patients without specific fruit allergies and with stable blood glucose control can consume low glycemic index fruits such as apples, peaches, plums and pears, but in moderation. Diabetes mellitus is an endocrine disease caused by insulin secretion and/or utilization disorder, which is manifested by excessive drinking, excessive eating, excessive urination and weight loss. Diabetic patients without specific fruit allergies and with stable blood glucose control can consume low-glycemic index fruits such as apples, peaches, plums, pears, etc. However, attention should be paid to moderation because consuming too much of them may lead to significant fluctuations in blood glucose, which is not conducive to the control of the disease. In addition, the intake of high glycemic index fruits, such as watermelon, should be reduced. Patients with abnormally elevated blood glucose should seek prompt medical attention and make adjustments as prescribed by the doctor.