Because the sugar content and glycemic index of jujube are relatively high, diabetic patients should eat less or not eat. Diabetes mellitus is a group of carbohydrate, protein, fat metabolism disorders caused by absolute or relative insulin secretion insufficiency, or insulin utilization disorder. Diabetic patients need to strictly control their diet and reduce the consumption of high-sugar foods. The sugar content and glycemic index of jujube are relatively high, and diabetic patients are prone to elevate blood sugar after eating them, so they should eat less of them, especially when their blood sugar control is not good, so that they should not eat jujube, so as to avoid excessive intake of sugar, which will lead to aggravation of the condition. Diabetic patients should adhere to a low-fat, low-sugar, low-salt diet, balanced nutrition, small meals. Patients with diabetes need to actively take treatment measures, while complying with the doctor’s instructions for regular review.