Tongue ulcers are a type of mouth ulcer, mainly caused by fire, but there are also many other factors that cause ulcers on the tongue, especially for children, who may feel very uncomfortable and whose appetite can be affected. Children who develop tongue ulcers should not eat spicy and irritating foods, such as onion, ginger, garlic, and chili peppers. Also do not eat some greasy hard and rough food. Eat more fruits and vegetables that are rich in vitamin B and vitamin C and keep the bowels open. Pay attention to keep the mouth clean, often moisten the mouth to avoid oral dryness. Make a good habit of brushing your teeth in the morning and evening and rinsing your mouth after meals, and eat less sweets and cold and sour stimulating foods, which can reduce the bacteria in the mouth and greatly reduce the chances of oral diseases in children. To drink more water, not to drink some stimulating drinks. If a child has a serious tongue ulcer, go to the hospital and use medicine under the guidance of a doctor. In normal life, take your child for more physical exercise and bring him/her to the sun. The child’s resistance is strong, enhance the child’s physical fitness, you can effectively resist some bacteria and viruses, so that the child is not easy to disease.