Diabetic patients should not eat food containing glucose and can be quickly broken down into glucose, some fruits, although very sweet, but contains little glucose-like ingredients, and even have a hypoglycemic effect, suitable for diabetic patients. Such as lychee: sweet, slightly acidic, slightly warm, has a hypoglycemic effect, and its core can treat diabetes. Grapefruit: tastes sour, sweet, and cool in nature. Contains pancreatic components, has a hypoglycemic effect, has an auxiliary therapeutic effect on diabetes, and can be used as a common fruit. Hawthorn: sweet and sour in taste, warm in nature. It has hypoglycemic effect. Banana: sweet in taste and cool in nature. Contains norepinephrine dihydroxyphenethylamine and other hypoglycemic ingredients. It is suitable for diabetic patients as a supplementary fruit.