Small tomatoes have higher sugar content than normal tomatoes. Small tomatoes are rich in nutrients and are good for the body when eaten by normal people. Diabetic patients should eat small amounts to prevent blood sugar fluctuations. Diabetic patients should do a good job of dietary control to stabilize blood sugar and delay the emergence of complications. Small tomatoes are commonly eaten fruit, rich in vitamins and nutrients, especially containing vitamin A more, normal people eat small tomatoes is good for health. Diabetic patients should eat in moderation, a large amount of consumption will cause blood sugar rise, which is not good for the condition. Dietary control is the basic treatment measures for diabetic patients, to low sugar and low fat diet, reduce the intake of high calorie food, keep the total calorie intake stable, conducive to the control of blood glucose, delay the emergence of complications. The diet of patients with high blood sugar should be carried out under the guidance of professional physicians, reasonable diet, standardized treatment, to prevent fluctuations in blood sugar.