Fluids include full-flow and half-flow foods. Whole fluids usually include soups and milks, etc. Semi-fluids usually include porridges, beans, and eggs. For patients who have just had surgery or those who suffer from digestive system diseases, they need to eat more fluid food. Because this kind of food is less irritating to the stomach and intestines, and easy to digest and absorb, which is conducive to the recovery of health. Whole fluid food generally refers to food in liquid state, which usually includes soups and milks. Soups include rice soup, millet soup, dumpling soup, etc. Milk mainly includes cow’s milk and goat’s milk. Semi-fluid food generally refers to the thinner, softer, semi-fluid state of food, easy to chew and digest, generally including porridge, beans and eggs and so on. Porridge mainly includes millet porridge, eight treasures porridge, egg porridge, etc. Beans include soybean juice, tofu brain, eggs mainly include egg custard, egg soup, etc. Patients should be on a liquid or semi-liquid diet under the guidance of a doctor.