Liquid food is a kind of food that is liquid and can be melted into liquid in the mouth. It is easier to swallow and digest than semi-liquid food. Available foods are: thick rice soup, lotus root starch, almond tea and oatmeal; Steamed egg soup, egg drop soup, broth for eggs, milk for eggs; All kinds of milk and dairy products-cheese, almond tofu, yogurt, ice cream, cocoa milk, lotus root milk; Soymilk, radish bean soup; Vegetable water, radish soup, tomato juice; Fresh fruit juice, boiled fruit water, fruit tea, jelly; Clear chicken soup, clear soup, liver soup, etc. Liquid food is suitable for severe patients who are extremely weak and unable to chew food, and is not suitable for losing weight. As a transitional diet for critically ill patients, liquid food does not provide any nutrients-it is impossible for healthy people to gain weight after eating it, and it is hard to say how thin they are.