夫疮头黑深。破之黄水出。四畔浮浆起。狭长似鱼脐。故谓之鱼脐丁疮也。
治鱼脐丁疮。疼痛不可忍。宜用此神效方。
淘河舌（一枚） 天南星（一分） 肉桂（一分去粗皮） 砒黄（半钱） 朱砂（一分）
巴豆（
五枚去皮） 麝香（半钱） 砂（一分）
上件药。捣罗及细研为散。用黄蜡并猪胆汁相和。消熔为丸。如绿豆大。一丸于疮上取
穴为度。其药却收取。每一丸可医五六人效。
治鱼脐丁疮。久疗不瘥。宜贴芫花根膏方。
芫花根（二两） 猪牙皂荚（五挺） 白矾（三两烧令汁尽细研） 黑豆（三合）
上件药。用醋一斗。先浸芫花根及皂荚黑豆三日。于釜中。以火煎至二升。去滓后。却
入铛中。煎至一升。入白矾末捣令匀。去火成膏。但是鱼脐丹恶疮。摊于帛上贴。日二易之。
治鱼脐丁疮如黑豆色者。以大针刺疮四边。兼中央。后宜此方。
腊月猪头（一枚烧灰）
上捣细罗为散。以鸡子清调令匀。敷疮上。日三易之。
又方。
上以寒食干饧糖。烧为灰敷之。即瘥。
治鱼脐丁疮。其头似白。肿痛不可忍方。
白苣（绞取汁）
上以针刺疮上四畔。涂汁于疮中。即瘥。
又方。
蛇蜕皮（一两炙微黄） 鸡子（一枚取清）
上件药。以水一大盏。煎蛇皮至六分。去滓。入鸡子清。搅令匀。更煎三两沸。顿服立
愈。或以蛇皮灰。用鸡子清调涂之。
The head of the carbuncle is black and deep. Upon rupture, yellow fluid emerges, with floating plasma rising around the four sides, narrow and long resembling a fish's umbilicus; hence it is called "Fish-Umbilicus Carbuncle" (Yuzi Dingchuang).
For treating Fish-Umbilicus Carbuncle with unbearable pain, this miraculous formula is suitable.
He She (River Tongue) (one piece) Tian Nan Xing (Arisaema Rhizome) (one fen) Rou Gui (Cinnamon Twig) (one fen, remove coarse bark) Pi Huang (Yellow Arsenic) (half qian) Zhu Sha (Cinnabar) (one fen)
Ba Dou (Croton Seed) (five pieces, remove skin) She Xiang (Musk) (half qian) Sha (Sand/Mineral powder) (one fen)
The above medicines are pounded, sieved, and ground into a fine powder. Mix with yellow beeswax and pig bile, melt to form pills the size of mung beans. Apply one pill onto the wound, covering the acupoint area as needed. Store the remaining medicine properly; each pill can treat five or six people effectively.
For treating Fish-Umbilicus Carbuncle that has persisted without healing, applying Yuan Hua Gen Gao (Genkwa Root Ointment) is suitable.
Yuan Hua Gen (Genkwa Root) (two liang) Zhu Ya Zao Jia (Gleditsia Sinensis Fruit) (five stalks) Bai Fan (Alum) (three liang, calcined until juice is gone, then finely ground) Hei Dou (Black Soybean) (three he)
The above medicines are soaked in one dou of vinegar for three days, starting with Genkwa Root, Gleditsia Sinensis Fruit, and Black Soybeans. Boil in a pot over fire until reduced to two sheng. Remove the dregs, then transfer to a pan and boil until reduced to one sheng. Add powdered Alum, mix thoroughly, remove from heat to form an ointment. For any Fish-Umbilicus Dan or malignant sores, spread on silk cloth and apply externally, changing twice daily.
For treating Fish-Umbilicus Carbuncle appearing black like a soybean, puncture the four sides and center of the sore with a large needle, then use this formula.
Zhu Tou (Pig Head) from the twelfth lunar month (one piece, burned to ash)
Grind the above medicine finely and sieve. Mix evenly with egg white and apply to the sore, changing three times daily.
Another formula:
Use dried maltose sugar from the Cold Food Festival, burn to ash, and apply to the affected area for cure.
Formula for treating Fish-Umbilicus Carbuncle where the head appears white, with unbearable swelling and pain.
Bai Ju (Lactuca Sativa var. crispa) (extract juice by pressing)
Puncture the four sides of the sore with a needle, apply the juice into the sore for cure.
Another formula:
She Tui Pi (Snake Slough) (one liang, lightly roasted until slightly yellow) Ji Zi (Chicken Egg) (one piece, take the white)
Boil Snake Slough in one da zhen of water until reduced to six parts. Remove dregs, add Chicken Egg White, stir well, and boil for two or three boils. Take all at once for immediate recovery. Alternatively, burn Snake Slough to ash, mix with Chicken Egg White, and apply topically.