Whole wheat bread can be eaten by diabetic patients, but it is not recommended in large quantities. Whole wheat bread is made from whole wheat flour containing bran and germ, rich in vitamins such as B vitamins and dietary fiber, due to the relatively low sugar content, and the crude fiber can effectively delay gastric emptying, appetite suppression, conducive to diabetic patients’ blood sugar control. So high blood sugar can generally eat whole wheat bread. But whole wheat bread is essentially a staple food, containing carbohydrates, so it is not recommended that diabetic patients eat more. Diabetic patients diet should control the total calorie intake, eat more fresh vegetables. Reduce the intake of other starch-rich foods, such as potatoes and groundnuts, while eating whole wheat bread. Diabetic patients are advised to consult a medical professional for an individualized diet plan.