治口破生疮。米饮下。（方见大方科咳嗽类。）
治虚热上壅，口疮。生姜、苏叶煎。食前蚕黑锡丹，每服二十粒。（方见大方
痼冷类。）
治上膈壅毒，口舌生疮，咽嗌肿痛。少许掺患处，咽津。
寒水石（ ，三两） 辰砂（二钱半，别研） 生脑子（半字）
上为末，日夜数次用。小儿疮疹攻口，先以五福化毒丹扫，却用此掺，立效。（方见小
方科
治口疮，臭气瘀烂，久而不瘥。
黄柏（半两） 螺青（二钱）
上为末，临卧置一字在舌下，不妨咽津，迟明瘥。一法，以铜绿易螺青。
治上膈壅毒 口舌生疮，咽喉肿痛。
升麻 赤芍药 人参（洗） 桔梗（去芦） 干葛（各一两） 甘草（生用，半两）
上锉散。每服四钱，水一盏半，生姜五片煎，温服，不拘时候。一方，加薄荷、黄芩。
治一切壅热，咽喉闭肿，不能咽物，口舌生疮，舌根强，言语不正，腮项肿痛。
蒲黄 青黛 硼砂 焰硝 甘草（各等分）
上为末。每用手指捻掺于喉中，津咽。或呷少冷水送下，频频用之。
治毒热口疮，或下虚邪热。
上用干姜、黄连为末，掺疮上。初若不堪，应手而愈。
治口疮。
黄柏（蜜涂，炙紫色） 滑石（研。各半两） 五倍子（小嫩者，一两）
上为末，和匀。每服半钱许，干掺疮上，良久可饭食，奇效。
敷方
治满口疮烂。（方见小方科口疮类。）
治疗口腔破损生疮。用米汤送服。（方剂见大方科咳嗽类。）
治疗虚热上壅引起的口疮。用生姜、紫苏叶煎汤。饭前服用蚕黑锡丹，每次二十粒。（方剂见大方科痼冷类。）
治疗上膈壅毒，口舌生疮，咽喉肿痛。取少量药粉撒在患处，咽下津液。
寒水石（三两） 辰砂（二钱半，单独研磨） 生脑子（半字）
将上述药物研为细末，日夜数次使用。小儿疮疹攻口，先用五福化毒丹清扫，再用此药粉撒布，立即见效。（方剂见小方科……）
治疗口疮，口气恶臭且溃烂，久治不愈。
黄柏（半两） 螺青（二钱）
将上述药物研为细末，临睡前取一字量的药粉置于舌下，不妨碍吞咽津液，次日清晨即可痊愈。另一种方法，用铜绿代替螺青。
治疗上膈壅毒，口舌生疮，咽喉肿痛。
升麻 赤芍药 人参（洗净） 桔梗（去芦头） 干葛（各一两） 甘草（生用，半两）
将上述药物切碎成散剂。每次服用四钱，加水一盏半，生姜五片，煎煮后温服，不限时间。另一配方，加入薄荷、黄芩。
治疗一切壅热，咽喉闭肿，不能吞咽食物，口舌生疮，舌根僵硬，言语不清，腮部和颈部肿痛。
蒲黄 青黛 硼砂 焰硝 甘草（各等分）
将上述药物研为细末。每次用手指蘸取少许药粉掺入喉中，随津液咽下。或者喝少量冷水送服，频繁使用。
治疗毒热口疮，或下焦虚邪热。
用上述干姜、黄连研为细末，撒在疮面上。起初若感觉不适，随即就会痊愈。
治疗口疮。
黄柏（蜜涂，炙至紫色） 滑石（研磨。各半两） 五倍子（嫩小的，一两）
将上述药物研为细末，混合均匀。每次服用约半钱，直接干撒在疮面上，过一会儿可以吃饭，效果奇特。
外敷方
治疗满口疮烂。（方剂见小方科口疮类。）
Treat mouth ulcers caused by heat in the Heart and Spleen.
Treat mouth ulcers caused by blood-heat. (The above formulas are found in the "Accumulated Heat" category of the Large Formulas section.)
Treat chest oppression due to stagnant heat, bad breath, and irritability with thirst. (The formula is found in the "Hemorrhage" category of the Large Formulas section.)
Treat oral mucosal erosion with ulceration. Administer with rice water. (The formula is found in the "Cough" category of the Large Formulas section.)
Treat mouth ulcers caused by deficiency-heat rising and obstructing. Decoct fresh ginger (Shengjiang) and Perilla leaf (Ziye). Take Can Hei Xi Dan (Silkworm Black Tin Pill) before meals, twenty pills per dose. (The formula is found in the "Chronic Cold" category of the Large Formulas section.)
Treat toxic accumulation in the upper jiao, causing mouth and tongue ulcers, and swelling and pain in the throat and pharynx. Apply a small amount of powder to the affected area and swallow with saliva.
Han Shui Shi (Calcitriton, three taels) Chen Sha (Cinnabar, two qian half, separately ground) Sheng Nao Zi (Borneol, half zi)
Grind the above into powder. Use several times day and night. For children with herpes zoster attacking the mouth, first sweep with Wu Fu Hua Du Dan (Five Blessings Detoxifying Pill), then apply this powder; immediate effect is achieved. (The formula is found in the Small Formulas section...)
Treat mouth ulcers with foul odor and ulceration that persist for a long time without healing.
Huang Bo (Phellodendron Bark, half liang) Luo Qing (Malachite, two qian)
Grind the above into powder. Before going to bed, place an amount equivalent to "yi zi" under the tongue. It is permissible to swallow saliva; healing occurs by early morning. Another method: replace Luo Qing with Tong Lv (Verdigris).
Treat toxic accumulation in the upper jiao, causing mouth and tongue ulcers, and swelling and pain in the throat.
Sheng Ma (Cimicifugae Rhizoma) Chi Shao Yao (Paeoniae Radix Rubra) Ren Shen (Ginseng Radix et Rhizoma, washed) Jie Geng (Platycodonis Radix, de-gorged) Gan Ge (Puerariae Radix, each one liang) Gan Cao (Licorice Root, raw use, half liang)
Cut into pieces to make a powder. Take four qian per dose, add one dan and a half of water and five slices of fresh ginger, decoct, and take warm at any time. Another prescription adds Bo He (Menthae Haplocalycis Herba) and Huang Qin (Scutellariae Radix).
Treat all types of obstructive heat, causing closure and swelling of the throat, inability to swallow food, mouth and tongue ulcers, stiffness of the tongue root, slurred speech, and swelling and pain in the cheeks and neck.
Pu Huang (Typhae Pollen) Qing Dai (Indigo Naturalis) Peng Sha (Borax) Yan Xiao (Saltpeter) Gan Cao (Licorice Root, equal parts)
Grind the above into powder. Each time, use a finger to apply the powder into the throat and swallow with saliva. Alternatively, drink a little cold water to wash it down, and use frequently.
Treat mouth ulcers caused by toxic heat, or deficiency-cold with pathogenic heat in the lower jiao.
Use the above dried Ginger (Gan Jiang) and Coptis Rhizome (Huang Lian) ground into powder, applied to the ulcers. Initially, there may be discomfort, but healing follows immediately.
Treat mouth ulcers.
Huang Bo (Phellodendron Bark, coated with honey, roasted until purple) Hua Shi (Talcum, ground. Each half liang) Wu Bei Zi (Galla Chinensis, young and tender, one liang)
Grind the above into powder and mix evenly. Take about half a qian per dose, dry-applying the powder directly onto the ulcers. After a while, one can eat; this yields miraculous effects.
External Application Formula
Treat widespread ulceration throughout the mouth. (The formula is found in the "Mouth Ulcers" category of the Small Formulas section.)