Viral or bacterial infections, children who eat a lot of irritating food or catch a cold can cause throat inflammation, which can result in children eating less food. Children should drink more warm water to promote body metabolism, improve resistance and excrete inflammation; they can also eat more vegetables and appropriate fruits to replenish vitamins to help their voice recover; they should eat a light diet in addition to a soft diet to reduce the stimulation of the voice and help it recover; they should pay attention to changes in the weather and add or reduce clothes in time to avoid getting cold to aggravate the inflammation of the voice; if it is accompanied by other symptoms Parents are not advised to let their children take medication at home without permission, which may aggravate the burden on the body.