Vegetables include: fresh and canned vegetables (excluding additives such as seasoning, fat and sugar); Tomato sauce. Explanation: vegetables can't be matched with non-core foods (such as fried beans, oil-soaked vegetables, and sugar-stained vegetables are not core foods); Vegetable juice is not the core food.

Fruits include: fresh and canned (sugar-free) fruits. Note: if it is canned, it must be soaked in water or pure juice (not sugar water), and the soaked juice is inedible; Dried fruits (dried apricots, peaches, bananas, etc. ) are not core foods; Fruit juice is not the core food.

Soups include: fresh, frozen and canned (without additives such as seasoning, fat and sugar) clear soup. Note: Western-style cream soup and concentrated broth are not core foods. If you want to know about slimming soup, you can go and have a look: all four kinds of slimming soup can make people slim down.

Skim dairy products and other milk substitutes include skim milk, skim cheese and skim sugar-free yogurt; Soymilk, bean curd and bean food without additives. Description: All the related foods made from the above raw materials, including milkshake and hot chocolate, must be sugar-free and low-calorie, and can be eaten once a day.

Eggs and their substitutes include whole eggs, protein and their artificial substitutes. Note: All kinds of egg food provide high-quality protein, but be careful not to fry it.

The staple food (grain) includes whole grains, miscellaneous grains, rice and potatoes, and starchy beans. Note: Cookies, instant noodles, cakes and fried staple foods are not included.