After the operation of intestinal polyps, a warm and cool liquid diet and a slag-free semi-liquid diet for one week gradually returned to normal diet. What are the cold liquid and slag-free half liquid in it? Disease analysis: Hello, liquid diet refers to foods that can become liquid in the mouth, such as washed eggs, rice soup, broth, dairy products, soybean milk and so on. Semi-liquid diet refers to the food between liquid and soft rice, which is easier to chew and digest, such as pork loose porridge, noodles, wonton, minced meat, mashed vegetables, cakes and so on.