夫脚者。肾脉所出。若肾气虚。则风邪客于腠理。伤于气血。气血留滞。故生疮也。
治脚上生疮。疼痛伤风毒。脓水不止。生肌麒麟竭散方。
麒麟竭（一分） 诃黎勒（一分） 黄连（一分去须） 槟榔（一枚）
上件药。捣罗为末。看疮眼大小。薄敷疮上。以瘥为度。
治累年脚疮方。
蔓荆花（三分三月三日采曝干） 赤小豆（三分） 黄连（一两去须）
上件药。捣罗为末。敷于疮上。日三用之。
治脚疮方。
蜣螂（三枚烧灰） 密陀僧（一两）
上件药相和。研如粉。贴之。
又方。
栝蒌（一枚） 豉（三两）
上件药。分为两处。将一半烧为灰。一半捣罗为末。相和。研令匀。用腊月猪脂调涂之。
又方。
龙骨（二两） 枇杷叶（五两） 蜣螂（五枚烧灰）
上件药。入麝香少许。腻粉一分。相和。细研令匀。用掺疮上。不过三五上。
治脚疮。疼痛不瘥方。
上取多年墙壁上烂干蚬壳。泥裹烧过。捣罗为末敷之。
治风毒瓦斯流注。两脚生疮。肿烂疼痛。行立不得。淋浴海桐皮汤方。
海桐皮 地骨皮 黄 甘草（生用） 黄连（去须） 枳实 木香乳香 野狼牙 白芷 牛
膝（去苗） 白矾（以上各一两）
上件药。锉捣令匀。分为六贴。每取一贴。以水四升。煎至三升。滤去滓。热熏疮上。
通身淋洗了。以热衣拭干。避风。
治脚疮。久伤风毒。攻冲肿 。脓水不止。熨洗蒴 汤方。
蒴 （一两） 藜芦（一两去芦头） 郁金（一两） 苦参（一两） 白芷（一两） 水
荭（一两）
甘草（一两生用） 桑根白皮（一两） 柳枝〔去叶细锉五合（两）〕 苦楝皮（细锉三
合）
本（
上件药。细锉。以水二斗。煎取一斗五升。滤去滓。用软帛两事替换。乘热熨洗患处。
水冷为度。余滓重煎用之。
治脚上生疮。淋渫奔草汤方。
莽草 榆白皮 甘草（生用） 玄参 苦参 郁金 羌活 独活 五加皮 防风（去芦
头）
枳壳 细辛（以上各五两）
上件药。细锉。分为十贴。每贴。用浆水一斗五升。煎取一斗。别入白矾末二两。投药
汤内。及热淋渫。日一用之。
The foot is the site where the Kidney Meridian originates. If Kidney Qi is deficient, Wind pathogen may invade the Cou Li (the spaces between skin and muscle, including hair follicles and sweat pores), damaging Qi and Blood. The stagnation of Qi and Blood leads to the formation of sores.
Formula for Qilinjie Powder to treat sores on the feet, characterized by pain, susceptibility to Wind-toxin, continuous discharge of pus and water, and promoting tissue regeneration.
Qilinjie (Dragon's Blood) 1 fen, Helile (Chebulae Fructus) 1 fen, Huanglian (Coptidis Rhizoma) 1 fen (remove stamens), Binglang (Arecae Semen) 1 piece.
Grind the above herbs into powder. Apply a thin layer onto the sore according to its size, until healed.
Formula for treating chronic foot sores.
Manjinghua (Viticis Folium) 3 fen (harvested on the third day of the third lunar month and dried), Chixiaodou (Adzuki Bean) 3 fen, Huanglian (Coptidis Rhizoma) 1 liang (remove stamens).
Grind the above herbs into powder and apply to the sore. Use three times daily.
Formula for treating foot sores.
Qianglang (Dung Beetle) 3 pieces (calcined to ash), Mituosen (Lithargyrum) 1 liang.
Mix the above herbs and grind into a fine powder. Apply topically.
Another formula.
Gualou (Trichosanthis Fructus) 1 piece, Chi (Fermented Soybean) 3 liang.
Divide the above herbs into two parts. Calcine half into ash, and grind the other half into powder. Mix evenly. Blend with lard from the twelfth lunar month and apply.
Another formula.
Longgu (Fossilized Bone) 2 liang, Pipaye (Loquat Leaf) 5 liang, Qianglang (Dung Beetle) 5 pieces (calcined to ash).
Add a small amount of Shexiang (Musk) and Nifen (Calomel) 1 fen to the above herbs. Grind finely and mix evenly. Sprinkle onto the sore. No more than three to five applications are needed.
Formula for treating foot sores with persistent pain.
Collect old, dry clam shells from walls over many years. Wrap in mud and calcine. Grind into powder and apply.
Formula for Haitongpi Decoction for bathing, treating Wind-toxin flowing into the meridians, causing sores on both feet, with swelling, ulceration, pain, and inability to walk or stand.
Haitongpi (Saposhnikoviae Radix) , Digupi (Lycii Cortex) , Huangqin (Scutellariae Radix) , Gancao (Licorice Root, raw) , Huanglian (Coptidis Rhizoma, remove stamens) , Zhishi (Aurantii Fructus Immaturus) , Muxiang (Aucklandiae Radix) , Ruxiang (Frankincense) , Yelangya (Potentillae Chinensis Herba) , Baizhi (Angelicae Dahuricae Radix) , Niuxi (Achyranthis Bidentatae Radix, remove sprouts) , Baifan (Alumen) (each 1 liang).
Chop and grind the above herbs uniformly. Divide into six doses. For each dose, add four sheng of water and decoct until three sheng remain. Strain off the dregs. Fumigate the sores with the hot steam. After washing the entire body, wipe dry with a warm cloth and avoid wind exposure.
Formula for Suodiao Decoction for fumigation and washing, treating foot sores caused by long-term Wind-toxin invasion, leading to swelling, continuous pus discharge.
Suodiao (Polygoni Multiflori Caulis) 1 liang, Lilu (Veratri Rhizoma) 1 liang (remove rhizome head), Yujin (Curcumae Longae Rhizoma) 1 liang, Kushen (Sophorae Flavescentis Radix) 1 liang, Baizhi (Angelicae Dahuricae Radix) 1 liang, Shuihong (Persicariae Hydropiperis Herba) 1 liang, Gancao (Licorice Root, raw) 1 liang, Sanggenbaidipi (Mori Cortex) 1 liang, Liuzhi (Willow Twig, remove leaves and chop finely) 5 he, Kailanpi (Meliae Cortex) 3 he.
Chop the above herbs finely. Add two dou of water and decoct until one dan five sheng remain. Strain off the dregs. Use two soft cloths alternately to fumigate and wash the affected area while hot, until the liquid cools. Re-decoct the remaining dregs for subsequent use.
Formula for Bangcao Decoction for washing, treating sores on the feet.
Mangcao (Maoti Herba) , Yu baipi (Ulmus Alba Bark) , Gancao (Licorice Root, raw) , Xuanshen (Scrophulariae Radix) , Kushen (Sophorae Flavescentis Radix) , Yujin (Curcumae Longae Rhizoma) , Qianghuo (Notopterygii Rhizoma et Radix) , Duhuo (Angelicae Pubescentis Radix) , Wujapi (Acanthopanacis Cortex) , Fangfeng (Saposhnikoviae Radix, remove rhizome head) , Zhiqiao (Aurantii Fructus) , Xixin (Asari Radix et Rhizoma) (each 5 liang).
Chop the above herbs finely and divide into ten doses. For each dose, use one dan five sheng of Jiangshui (fermented grain water) and decoct until one dan remains. Add Erliang of Baifan powder separately into the herbal decoction. Wash the affected area while hot. Use once daily.