Mouth ulcers are mostly caused by heat in the heart and spleen, gas rushes to the upper jiao, smoked mouth and tongue, or external heat into the evil, or over-eating hot, thick and greasy, or excessive thinking and emotional discomfort, heat and dampness, the day long heart and spleen two injuries, false fire on the inflammation. Chinese medicine treats mouth ulcer disease in four types. Heart and spleen heat accumulation Mouth sores are more in number, larger in size or fused into patches, with red, swollen and painful ulcers covered with light yellow pseudomembranes, accompanied by red lips and red face, disturbed thirst, yellow urine and constipation, red tongue and yellow tongue coating. Treatment is to clear heat and fire, subdue swelling and relieve pain. Optional formula: Liang Di Di San. In cases of heat accumulation in the spleen and stomach, with dry mouth and bad breath, raw gypsum can be added; in cases of heat accumulation in the heart meridian, with mouth sores mostly on the tip of the tongue and the edge of the tongue, with heart trouble, short, red and astringent urine, lotus seed heart and mucuna pruriens can be added. Lung and stomach congestion. Mouth sores are fast-acting and widely distributed, with small but numerous ulcers, red color, pain, fever and headache, and thin yellow tongue coating. Treatment is to clear heat and disperse wind, cool the blood and detoxify the toxin. You can use Yin Qiao Detoxification Pill, heat poisoning full mouth rotten sores, plus purple flower ding, wild chrysanthemum, Qing Dai, etc. Yin deficiency and fire recurrent ulcers, small area, small number, slightly red around the tongue, mild burning pain, with flushed cheeks, dry mouth and desire to drink, five heartburn, dizziness and tinnitus, restless sleep at night, women with heavy menstruation, soreness and weakness of the waist and knees. The tongue is red with thin yellow coating. Treatment is to nourish Yin and clear heat. Six Flavored Dihuang Pills can be used for treatment. In case of heavy Yin deficiency, use Liu Wei Di Huang Tang with Xuan Shen and Mai Dong. Insomnia can be treated with the addition of sour date palm and nightshade. Weakness of the spleen and stomach The number of ulcers is small, the pain is not heavy, the mouth sore is lingering, the edema around the mouth sore is pale or dark red, accompanied by yellow face and cold extremities, bloating and loose stools, the tongue is fat and light, and the moss is thin and white or slippery. The treatment is to strengthen the spleen and stomach, and to clear heat. Ginseng and Atractylodes macrocephala can be chosen as treatment. If the deficiency cold is more severe, with cold pain in the abdomen and abdomen, and the extremities are not warm, use Ginseng Ling Bai Zhu Tang with Radix et Rhizoma Polygonati and Ginger. Topical medicine Tin class San used alone or with tonics to treat mouth ulcers can also achieve better results. It can also be applied to the ulcers with oral ulcer powder. In addition, ice borax, watermelon cream, and nourishing yin and muscle can be used topically. Patients with mouth sores should eat more fresh vegetables and fruits, eat less or avoid spicy and stimulating foods, keep their bowels open, and pay attention to regulating their emotions in order to fundamentally reduce the recurrence of mouth sores.