1, food selection method: avoid eating ground food, such as minced bread, corn or potato chips: eat less acidic food such as citrus, tomatoes or nuts; eat less overly spicy or salty food; avoid eating hard, too hot food and chewing gum. 2, honey gargle method: available 10% honey gargle, can eliminate light, relieve pain and promote cell regeneration. 3, fungus therapy: take white fungus, black fungus, hawthorn 10 grams each, water decoction, drink soup and eat fungus, 1 to 2 times a day, can cure mouth ulcers. 4, bitter melon therapy: take 160 grams of fresh bitter melon, boiling water, drink as tea. 1 day 1 dose, generally used for 3 to 5 days can be effective. 5, walnut therapy: every day to take walnut shells about 10, water decoction orally, 3 times a day, for 3 days, you can cure mouth ulcers. 6, cabbage root therapy: take 60 grams of cabbage root, 15 grams of garlic, 10 dates, water decoction, 1 to 2 times a day, can cure mouth ulcers. 7, apple therapy: take an apple (pear water can also be) peeled into slices and put into a container, add cold water (not over the apple or pear to be cooked) heated to boiling, wait until it cools a little with the wine in the mouth for a few moments and then eat, and can be cured with a few days. 8, ginger water for tea gargle method: mouth ulcers with hot ginger water for tea gargle, 2 to 3 times a day, generally 6 to 9 times the ulcer surface can be converged. 9, careful cleaning method: use a soft-bristled toothbrush to brush your teeth comprehensively to keep your mouth clean. 10, bad habits abstinence law: stop smoking, less alcohol. 11, ginger water for tea gargle method: mouth ulcers with hot ginger water for tea gargle, 2 to 3 times a day, generally 6 to 9 times the ulcer surface can be converged.