The main causes of canker sores are external wind-heat, inappropriate care or improper feeding, or the parents’ Yang-heated body, resulting in a fetal fire, fetal toxicity, heat in the lungs and stomach, and blood congestion in the heart. Children are pure yang body, if the fire in the fetus is strong, or if there is heat in the stomach, it is easy to attack and develop this disease. The main symptoms are mild external vomiting of the tongue, what should be noted in the daily diet of mild external vomiting of the tongue? The main symptoms are mild exophthalmia and so on. Eat more laxative foods You can choose some foods rich in nutrition, such as white fungus, almonds, honey and so on. These foods not only contain high quality protein and lipids, but also play a role in softening and laxing the bowels, which is the best source of vitality for children. Parents can also boil white fungus soft and chopped into a sweet soup for children to eat; can also grind almonds with some oats, raisins, water for children to drink; or honey poured on fruit or cake for children to eat. Radish juice: sweet, pungent and cool in nature, belongs to the lung and stomach meridian, if people with stomach fire can drink radish juice for conditioning treatment, but it is not suitable for people with spleen and stomach deficiency cold type mouth sores. Rutabaga porridge: 100 grams of fresh rutabaga, 100 grams of round-grained rice, 2Q grams of bamboo rhizome, 10 grams of ginger. First of all, wash the fresh rutabaga and cut it into small pieces, and then decoct the juice with the bamboo rhizome, then add the round-grained rice and cook it into a porridge, add the ginger when the porridge is ready to cook, and then cook it slightly.