Fever is a symptom of many childhood diseases. When a child has a fever, his metabolism is accelerated and the consumption of nutrients and water is greatly increased. At this time, the secretion of digestive juice decreases, the digestive function weakens, and the gastrointestinal movement slows down. Therefore, the dietary principles of children with fever are: first, adequate water supply; Secondly, a lot of inorganic salts and vitamins; Third, sufficient heat energy and protein; Moreover, we should give priority to liquid and semi-liquid diets, and eat less and eat more meals. 1, liquid diet (l) Milk can provide children with protein, and if you add some rice soup, you can also provide children with some carbohydrates. (2) The rice soup is boiled to remove dregs, and the water is sufficient, which is convenient for children's gastrointestinal absorption. (3) Mung bean soup Mung bean is cool, and has the effects of clearing away heat and toxic materials and removing summer heat. (4) Fresh juice: ① Watermelon juice, used in summer. Has the effects of clearing away heat, relieving summer-heat, quenching thirst, inducing diuresis, and relieving vexation. 2 Fresh pear juice, used in autumn and winter, has the functions of moistening lung and clearing heart, relieving cough and resolving phlegm. (3) Fresh orange juice has the functions of eliminating dampness, resolving phlegm, clearing lung-heat and dredging collaterals. (5) nutritious rice flour, such as lotus root powder, almond powder and milk powder substitutes. 2, semi-liquid diet such as porridge, eggs, noodle soup and so on. Liquid food is mostly used in the acute phase of the disease, and semi-liquid food is mostly used in the recovery period or fever reduction period. Children with fever have a bad appetite, so don't force feed them, and pay attention to replenish water. Don't suddenly increase the food he didn't eat during the fever, so as not to cause diarrhea.