论曰小儿燕口疮者，口吻两际。疮生如燕口，世亦谓之肥疮。此由脾胃客热上冲口唇，
熏发为疮。或者以燕泥敷之，甚良，盖治之以其意也。
治小儿燕口疮。石胆散方
石胆（研半两） 龙脑（研少许）
上二味，共研匀，以少许涂疮上，瘥。
治小儿燕口疮。胡粉散方
胡粉（炒研一分） 黄连末（半两）
上二味，同研匀，以少许敷疮上。
治小儿燕口，及口内生疮方
羊髭（烧灰）
上一味研细，以腊月猪脂和，日三四上涂之。
又方
鸡 黄皮（不以多少烧灰）
上一味，研为末，以浮汁调半钱匕服之。日三
治小儿心脏虚热，生燕口疮。方
柘木根
上一味，以水三盏，煎取半盏，去滓用汁涂疮上。不拘度数，以瘥为止。
治小儿燕口黄肥疮。方
上取 羊角烧灰，和腊月猪脂，敷之，瘥。
治小儿燕口黄肥疮。方
上取燕窠土一分，入麝香半钱研匀，临卧敷之。
上小儿燕口，黄肥疮。方
上烧乱发一分，为灰研细，和猪脂涂之，瘥。
治小儿燕口疮。柏皮散方
上用黄柏皮为末，甑汗调，涂敷疮上，瘥。
论曰小儿口疮者，由血气盛实，心脾蕴热。熏发上焦，故口生疮，盖小儿纯阳。易生热
疾，或衣服过浓，饮食多热。血脉壅盛，皆致此疾。
治小儿口疮。一捻散方
青黛 黄柏（去粗皮） 诃黎勒（炮去核） 密陀僧
上四味等分，捣研为散，取一捻掺舌上。如喉咽内有疮，亦掺喉中，微微咽津。
治小儿口疮。紫金散方
黄柏（如两指面大二片去粗皮涂蜜炙令紫） 诃黎勒（煨去核） 麝香（研少许） 腻
粉（研
少许）
上四味，捣罗为散，每用一字许掺舌上，立瘥。
治小儿口疮。寒水石散方
寒水石（一分烧通赤地上碗合一宿出火毒） 白矾（熬令汁枯一分） 铅白霜（一分）
上三味，研为散，每用少许。掺口疮上，食后临卧，以瘥为度，咽津无妨。
治小儿口疮。香白芷散方
香白芷（半两） 盐绿（一钱） 五倍子（一分） 麝香（少许）
上四味，捣研为细散，每用一字，掺疮上。
治小儿口疮。硼砂散方
硼砂（研） 矾蝴蝶（研） 密陀僧（各半钱研）
上三味，用生蜜四两，与药同熬紫色。以新水冰冷，瓷合盛，每用以鸡翎敷之。
治小儿口疮。铅丹煎方
铅丹（半两） 密陀僧（半两） 白蜜（四两）
上三味，先以蜜于铫子内，煎令沸，下铅丹。同煎令紫色，次下密陀僧，搅令匀成煎。
于瓷合盛，每用小豆大，咽津。
治小儿口疮。蚺蛇胆散方
蚺蛇胆（研一分） 石胆（研一分） 龙脑（一分）
上三味，同研细，每用一字，涂疮上，日三五次。
治小儿口疮。大青汤方
大青（三分） 黄连（去须三分）
上二味，粗捣筛，每服半钱匕。以水半盏，煎至二分，去滓食后服。
治小儿口疮。地黄汤方
生地黄汁 桑根白皮汁（各一合）
上二味，入蜜半合，同煎十余沸。每服二分日三。
治小儿口疮。黄柏膏方
黄柏（去粗皮一分） 大豆（一合）
上二味，粗捣筛，以水一盏。煎至二合，去滓重煎如饧，入少许龙脑研和，涂敷。
治小儿口疮烂臭。神验散方
寒食面（五钱） 硝石（七钱）
上二味，同研。遇夜，新水调药半钱匕，涂在纸花子上，男左女右，贴脚心。
治小儿口疮。蛇蜕拭方
上取蛇蜕，水渍令湿软，拭口内疮，一两度即瘥。
治小儿口疮。蟾蜍散方
蟾蜍（一枚炙令焦）
上一味，捣罗为散，每用一字，敷疮上
治小儿口疮。牛膝酒方
牛膝（一两切）
上以清酒二盏，煎至七分，去滓分温三服。日二，以瘥为度。
治小儿口疮。蚕蛾散方
晚蚕蛾（一两）
上捣罗为散，每用一字，敷口疮，日三两次。
治小儿口疮赤烂。羊乳饮方
上取羊乳五合，冷点口中，不过三两上，瘥。
治小儿口疮赤烂。赤葵散方
赤葵茎（焙干半两）
上捣罗为散，每用一字，蜜调涂之。
治小儿口疮赤烂。乱发拭方
上以父母乱发净洗，缠桃枝，蘸井华水，东向以拭口中。
治小儿白口疮，满口如浸饼起者。贝母散方
贝母（去心二两）
上一味为散，先煮面拨粥七个，抱孩儿门限内坐。将逐个拨粥，榐儿口内疮了，弃门限
外，令犬吃，便以药末半钱，水五分，蜜少许，煎三分。冷与服，仍以药掺贴。每日用三四
次，即瘥。
治小儿口生白疮。桑汁涂方
桑根白皮汁
上以涂儿唇口，即瘥。
治口疮舌硬，言语不得。方
白矾（烧令汁尽） 桂（去粗皮各一两）
上二味，捣研为末，掺舌上，即瘥。
治小儿口疮，马芹涂方
马芹子汁
上先揩唇上血出，涂药日三次，验。
Discussion: The so-called "Swallow's Mouth Ulcer" (Yankou Chuang) in children refers to ulcers occurring at the corners of the mouth. The shape of the ulcer resembles a swallow's open beak, and it is also commonly known as "Fei Chuang" (Fatty Ulcer). This condition arises from exogenous heat in the Spleen and Stomach rushing upward to the lips, steaming the skin and causing ulcers. Some people apply mud from swallow nests to the affected area with good results; this is a treatment based on sympathetic magic or symbolic correspondence ("treating by intent").
Prescription for Stone Gall Decoction (Shidan San) for Swallow's Mouth Ulcer in Children:
Shidan (Lapis Lapegii, ground, half tael)
Longnao (Borneol, ground, a small amount)
Grind the above two ingredients evenly together. Apply a small amount to the ulcer surface. It will heal.
Prescription for Hu Fen Powder (Hufen San) for Swallow's Mouth Ulcer in Children:
Hufen (Cerussa, stir-fried and ground, one qian)
Huanglian Mo (Coptidis Rhizoma powder, half tael)
Grind the above two ingredients together evenly. Apply a small amount to the ulcer surface.
Prescription for Swallow's Mouth Ulcer and Oral Ulcers in Children:
Yangzi (Sheep whiskers, burnt to ash)
Grind the above single ingredient finely. Mix with lard rendered in the twelfth lunar month. Apply three to four times daily.
Another Prescription:
Jihuangpi (Chicken eggshell membrane, burnt to ash, appropriate amount)
Grind the above single ingredient into powder. Take half a qianbi (a spoonful size) mixed with clarified liquid. Take three times daily.
Prescription for Heart Deficiency Heat Causing Swallow's Mouth Ulcer in Children:
Zhemugen (Root bark of Toona sinensis, appropriate amount)
Take the above single ingredient. Decoct with three cups of water until half a cup remains. Strain and use the juice to apply to the ulcer. No limit on frequency; continue until healed.
Prescription for Yellow Fatty Ulcer (Huang Fei Chuang) in Children:
Burn sheep horns to ash. Mix with lard rendered in the twelfth lunar month. Apply to the affected area. It will heal.
Prescription for Yellow Fatty Ulcer in Children:
Take one part soil from a swallow's nest. Add half a qian of Moschus (Musk). Grind evenly. Apply before going to bed.
Prescription for Swallow's Mouth Ulcer and Yellow Fatty Ulcer in Children:
Burn one part of disordered hair to ash. Grind finely. Mix with lard. Apply. It will heal.
Prescription for Cypress Bark Powder (Bapi San) for Swallow's Mouth Ulcer in Children:
Use Huangbai (Phellodendri Cortex) ground into powder. Mix with condensation water from a steamer (Zhenhan). Apply to the ulcer. It will heal.
Discussion: The so-called "Oral Ulcer" (Kou Chuang) in children is caused by excess blood and qi, with heat accumulating in the Heart and Spleen. The heat steams the Upper Jiao, causing ulcers in the mouth. This is because children possess a "Pure Yang" constitution and are prone to heat diseases. Factors such as overdressing, consuming too much hot-natured food, and congested blood vessels can all lead to this disease.
Prescription for One-Pinch Powder (Yinian San) for Oral Ulcer in Children:
Qingdai (Indigo Naturalis)
Huangbai (Phellodendri Cortex, coarse bark removed)
Helile (Terminalia chebula, processed and pitted)
Miduoseng (Lithargyrum)
Grind the above four ingredients in equal parts into a powder. Take a pinch (one ni) and sprinkle it on the tongue. If there are ulcers in the throat, sprinkle them there as well, swallowing saliva slightly.
Prescription for Zijin Powder (Zijin San) for Oral Ulcer in Children:
Huangbai (Phellodendri Cortex, pieces the size of two fingers, coarse bark removed, honey-fried until purple)
Helile (Terminalia chebula, baked and pitted)
Shexiang (Moschus, ground, a small amount)
Nifen (Calomelas, ground, a small amount)
Grind and sieve the above four ingredients into a powder. Use approximately one zi (a very small measure) per application, sprinkling it on the tongue. It heals immediately.
Prescription for Han Shui Shi Powder (Hanshuishi San) for Oral Ulcer in Children:
Hanshuishi (Aragonite, one fen, calcined until red-hot, placed in a bowl on the ground overnight to remove fire toxicity)
Baifan (Alumen, one fen, boiled until dry)
Qianbaishuang (Plumbum Subnitricum, one fen)
Grind the above three ingredients into a powder. Use a small amount each time, sprinkling it on the oral ulcers after meals and before bed. Continue until healed. Swallowing saliva is permissible.
Prescription for Fragrant Angelica Powder (Xiang Baizhi San) for Oral Ulcer in Children:
Xiang Baizhi (Angelicae Dahuricae Radix, half tael)
Yanlü (Chlorocopper Ore, one qian)
Wubeizi (Galla Chinensis, one fen)
Shexiang (Moschus, a small amount)
Grind the above four ingredients finely into a powder. Use one zi per application, sprinkling it on the ulcer.
Prescription for Borax Powder (Pengsha San) for Oral Ulcer in Children:
Pengsha (Borax, ground)
Fanhudie (Alum Butterfly, ground)
Miduoseng (Lithargyrum, half qian each, ground)
Boil the above three ingredients with four taels of raw honey until purple. Cool in fresh water. Store in a porcelain container. Apply using a chicken feather each time.
Prescription for Lead Dandan Decoction (Qiandan Jian) for Oral Ulcer in Children:
Qiandan (Litharge, half tael)
Miduoseng (Lithargyrum, half tael)
Baimi (White Honey, four taels)
First, boil the honey in a pot until boiling. Add Qiandan. Boil together until purple. Then add Miduoseng. Stir until uniform to form a paste. Store in a porcelain container. Take a size of a small bean each time, swallowing with saliva.
Prescription for Rattlesnake Gallbladder Powder (Ranshe Dan San) for Oral Ulcer in Children:
Ranshe Dan (Rattlesnake Gallbladder, ground, one fen)
Shidan (Lapis Lapegii, ground, one fen)
Longnao (Borneol, one fen)
Grind the above three ingredients finely together. Use one zi per application, applying to the ulcer. Apply three to five times daily.
Prescription for Daqing Decoction (Daqing Tang) for Oral Ulcer in Children:
Daqing (Isatidis Folium, three fen)
Huanglian (Coptidis Rhizoma, roots removed, three fen)
Coarsely crush and sieve the above two ingredients. Take half a qianbi per dose. Decoct with half a cup of water until reduced to two fen. Strain and take after meals.
Prescription for Dihuang Decoction (Dihuang Tang) for Oral Ulcer in Children:
Sheng Dihuang Zhi (Fresh Rehmanniae Radix Juice)
Sanggen Baipi Zhi (Morus Alba Root Bark Juice, one he each)
Add half a he of honey to the above two juices. Boil together for more than ten boils. Take two fen per dose, three times daily.
Prescription for Huangbai Ointment (Huangbai Gao) for Oral Ulcer in Children:
Huangbai (Phellodendri Cortex, coarse bark removed, one fen)
Daydou (Sojae Semen, one he)
Coarsely crush and sieve the above two ingredients. Decoct with one cup of water until reduced to two he. Strain and reduce again until it resembles maltose syrup. Add a small amount of Longnao (Borneol), grind and mix. Apply.
Prescription for Divine Efficacy Powder (Shenyan San) for Ulcerated and Fetid Oral Ulcers in Children:
Hanshifan (Cold Food Noodle, five qian)
Xiaoshi (Natrii Nitras, seven qian)
Grind the above two ingredients together. At night, mix half a qianbi of medicine with fresh water. Apply to a paper flower. For boys, apply to the left sole; for girls, to the right sole.
Prescription for Snake Slough Wipe (Shetui Shi Fang) for Oral Ulcer in Children:
Take snake slough. Soak in water until soft. Wipe the ulcers inside the mouth. It will heal in one or two applications.
Prescription for Chan Chu Powder (Chanchu San) for Oral Ulcer in Children:
Chanchu (Bufo bufo gargarizans, one piece, roasted until charred)
Grind and sieve the above single ingredient into a powder. Use one zi per application, applying to the ulcer.
Prescription for Niuxi Wine (Niuxi Jiu) for Oral Ulcer in Children:
Niuxi (Achyranthis Bidentatae Radix, one liang, sliced)
Decoct the above single ingredient in two cups of clear wine until reduced to seven-tenths. Strain. Divide into three warm doses. Take twice daily. Continue until healed.
Prescription for Can E Powder (Can E San) for Oral Ulcer in Children:
Wan Can E (Silkworm Moth, one liang)
Grind and sieve the above single ingredient into a powder. Use one zi per application, applying to the oral ulcer. Apply two to three times daily.
Prescription for Sheep Milk Drink (Yangru Yin) for Red and Ulcerated Oral Ulcers in Children:
Take five he of sheep milk. Drip cold milk into the mouth. Within two or three applications, it will heal.
Prescription for Chi Kui Powder (Chi Kui San) for Red and Ulcerated Oral Ulcers in Children:
Chi Kui Jing (Abutilon stem, dried by roasting, half tael)
Grind and sieve the above single ingredient into a powder. Use one zi per application, mixing with honey for topical application.
Prescription for Disordered Hair Wipe (Luafa Shi Fang) for Red and Ulcerated Oral Ulcers in Children:
Take clean disordered hair from parents. Wrap around a peach branch. Dip into well water (drawn at dawn). Face east while wiping the inside of the mouth.
Prescription for Beimu Powder (Beimu San) for White Oral Ulcers Covering the Entire Mouth in Children:
Beimu (Fritillariae Bulbus, heart removed, two liang)
Grind the above single ingredient into a powder. First, cook seven pieces of noodle dough. Hold the child sitting inside the doorway threshold. Feed the child the noodle dough one by one, wiping the ulcers in the child's mouth. Throw the remaining dough outside the threshold for dogs to eat. Then, take half a qian of the powder, add five fen of water and a little honey. Decoct until three fen remain. Cool and administer. Also apply the powder topically. Use three to four times daily. It will heal.
Prescription for Mulberry Juice Application (Sang Zhi Tu Fang) for White Ulcers in Children:
Sanggen Baipi Zhi (Juice of Morus Alba Root Bark)
Apply to the child's lips and mouth. It will heal.
Prescription for Hard Tongue and Inability to Speak Due to Oral Ulcers:
Baifan (Alumen, calcined until dry)
Gui (Cinnamomi Ramulus, coarse bark removed, one liang each)
Grind the above two ingredients into powder. Sprinkle on the tongue. It will heal.
Prescription for Ma Qin Juice Application for Oral Ulcer in Children:
Maqinzi Zhi (Juice of Lepidii Semens)
First, wipe the lips until bleeding occurs. Apply the medicine three times daily. Effective.