Diabetic patients should adhere to a low-fat, low-sugar and low-salt diet, with balanced nutrition, small meals, and control the total daily intake. 1. Vegetables and fruits: focus on dark vegetables and coarse fiber vegetables, such as spinach, mustard greens, celery, etc.; try to choose low-sugar fruits, such as citrus, apples, pears, grapefruit, etc. It is recommended to consume fruits between meals. 2. Low-fat meat: you can eat beef, lean pork, fish and other meat with low fat content, which is conducive to controlling plasma cholesterol and blood sugar. 3. Protein: you can choose low-fat milk, beans and soy products, eggs and other high-quality protein. 4. Coarse grain staple food: you can choose a variety of coarse grains mixed staple food, such as quinoa, buckwheat, oats, corn, etc., with the staple food. 5. Undesirable foods: Candy, cream cakes, sugary drinks, and fried, barbecued and pickled foods are not recommended. Diabetic patients are advised to adjust their diets under the guidance of their doctors, while paying attention to regular monitoring of blood glucose.