According to Chinese medicine, the main cause of mouth sores is heat accumulation in the heart and spleen or inflammation of deficiency fire. At the same time, because of the heavy local pain of mouth sores, a diet of light, hot and cold suitable liquid or semi-liquid food is appropriate. 1. Heat accumulation in the heart and spleen: The main manifestations are ulcers or herpes on the lips, gums or tongue, heavy pain, and even refusal of breast milk or food, accompanied by irritable crying, salivation, dry stools, etc. The treatment is to clear heat and diarrhea of the spleen. (1) Bamboo leaf drink: a handful of fresh bamboo leaves, washed, into the water with the appropriate amount of rock sugar, boil for a few moments, drink as tea. (2) Lantern grass decoction: Lantern grass 3 roots, water decoction with sugar or rock sugar appropriate amount, drink as a substitute for tea. (3) Radish and fresh root drink: 500 grams of white radish, 500 grams of fresh root, washed and chopped, squeeze juice containing gargle, 3 to 4 times a day. (4) Tomato juice: several tomatoes, washed and soaked in boiling water, peeled and seeded, wrapped in gauze and gargled with the juice, several times a day. (5) Watermelon juice: use watermelon juice, drink it frequently. (6) Commonly used Chinese medicines at home: ice borax, tin type san, watermelon cream spray, etc., can be applied to the affected area to promote the healing of mouth sores. 2, false fire on the inflammation: clinical characteristics of recurrent mouth sores, the number of mouth sores, less pain, with dry mouth and throat, afternoon hot flashes, treatment should be to nourish Yin and clear heat. (1) Ginseng and lotus seed soup: 10 grams of prince’s ginseng, 30 grams of lotus seeds, 30 grams of rock sugar. Decoction for 20-30 minutes, drink soup and eat lotus seeds. (2) Sheng Di Lian Zi Xin Decoction: 9 grams of Sheng Di, 6 grams of Lian Zi Xin, 6 grams of licorice, decocted in water and taken frequently. (3) Fine tea 10 grams, brew 1 cup of strong tea, containing gargle mouth cavity, more than 10 times a month. (4) 15 grams of Radix et Rhizoma Ginseng, 9 grams of Radix et Rhizoma Macrocephala, 3 grams of Glycyrrhiza glabra, decoction in water and drink as tea. (5) 15 grams of Cornus officinalis finely ground, vinegar into a paste, compress the heart of the two feet, wrapped in cloth. Every night, the next morning to take off, and used 2 to 3 times.