夫冷 者。亦是谓得风冷久不瘥。因成 。脓汁不绝。故为冷 也。
治冷 疮。及瘰 疼痛。生肌丁香膏方。
丁香（三分） 没药（三分） 安息香（三分） 麝香（一分细研） 当归（三分） 乳
香（三分
细研） 附子（三
（三分）
黄丹（三分微炒）
上件药。都细锉。入油。以慢火煎。候白芷黄焦色。去滓。下黄丹。更微微煎。搅勿住
手。膏成。收于不津器中。频取贴之。
治冷 及骨疽疮。一切癣数年不瘥者。宜用此方。
附子（一两生用末） 硫黄（半分细研） 腻粉（一分）
上件药。都研令匀。以生油调涂之甚效。
治多年冷 疮。宜敷青黛散方。
青黛（一分细研） 麝香（一钱细研） 莨菪子（一分） 茹（一分）
上件药。捣罗为末。都研令匀。用一捻。纳疮孔中。更以后雄黄膏贴之。
治积年冷 。出黄水不瘥者。宜用雄黄膏方。
雄黄（半两细研） 清油（三两） 乱发（半两） 硫黄（半两细研） 黄蜡（半两）
上先以油煎乱发。令焦尽。去滓。便入硫黄雄黄及黄蜡。以慢火熬搅为膏。摊帛上贴之
治冷 及诸 疮。丹砂膏方。
丹砂（三分细研） 川大黄（一两） 雄黄（三分细研） 苦参（一两） 黄连（一两
去须） 莽
草（三分） 茹（一两） 矾石（三分细研） 雌黄（三分细研）
上件药。细锉。入腊月猪脂一升二合。以慢火煎大黄等。黄焦。绞去滓。下丹砂雄黄矾
石雌黄末。更煎。搅令匀。入瓷盒中盛。旋取贴之。
又方。
蜣螂（三枚） 麝香（一钱细研） 松脂（一两） 干蟾（一枚）
上件药。捣罗为末。入少蜜。和捻作饼子。先净洗疮上贴之。以瘥为度。
又方。
皂荚（一两） 藜芦（一两）
上件药。都烧为灰。细研渐渐敷之。
又方。
朱砂（一分） 砒黄（一分）
上件药。同研令细。以硬米饭和丸。如麻子大。填入疮口内。旬日瘥。
The so-called "cold fistula" (Leng Lou) refers to a condition formed due to prolonged exposure to wind-cold pathogens that fails to heal over time. Its manifestation involves continuous discharge of pus, hence it is termed "cold fistula."
**Dingxiang Ointment for Treating Cold Fistula Sores and Scrofula Pain with Muscle-Regenerating Properties:**
* Dingxiang (Caryophylli Flos, 3 fen)
* Moyao (Myrrhae Resina, 3 fen)
* Anshixiang (Benzoinum, 3 fen)
* Shexiang (Moschus, 1 fen, finely ground)
* Danggui (Angelicae Sinensis Radix, 3 fen)
* Xuxiang (Boswelliae Resina, 3 fen, finely ground)
* Fuzi (Aconiti Lateralis Radix Praeparata, 3 fen, sliced after processing)
* Huangdan (Minium, 3 fen, lightly stir-fried)
All the above herbs are finely chopped and boiled in oil over low heat. When the Baizhi (Angelicae Dahuricae Radix) turns scorched yellow, filter out the dregs. Add Huangdan (Minium), continue to simmer gently while stirring constantly until the ointment forms. Store in a non-porous container. Apply frequently to the affected area.
**For Treating Cold Fistula, Osteomyelitis Sores (Gu Ju Chuang), and Any Tinea Persisting for Years:**
* Fuzi (Aconiti Lateralis Radix Praeparata, 1 liang, raw, ground into powder)
* Liuhuang (Sulfur, 0.5 fen, finely ground)
* Nifen (Calomelas, 1 fen)
Grind all ingredients uniformly. Mix with raw oil and apply topically; this method is highly effective.
**Qingdai Powder for Topical Application on Chronic Cold Fistula Sores:**
* Qingdai (Indigo Naturalis, 1 fen, finely ground)
* Shexiang (Moschus, 1 qian, finely ground)
* Langdanszi (Daturae Semen, 1 fen)
* Rugu (Puerariae Radix or similar herb, 1 fen)
Pulverize and sieve all ingredients into a fine powder, mixing thoroughly. Take a small pinch and insert it into the fistula tract, then cover with the subsequent Xionghuang Ointment.
**Xionghuang Ointment for Chronic Cold Fistula with Yellow Discharge That Fails to Heal:**
* Xionghuang (Realgar, 0.5 liang, finely ground)
* Qingyou (Pure Vegetable Oil, 3 liang)
* Luanku (Human Hair, 0.5 liang)
* Liuhuang (Sulfur, 0.5 liang, finely ground)
* Huangla (Yellow Beeswax, 0.5 liang)
First, boil the human hair in the oil until completely charred, then filter out the residue. Add Sulfur, Realgar, and Beeswax. Simmer over low heat while stirring until an ointment consistency is achieved. Spread onto cloth and apply to the lesion.
**Dansha Ointment for Treating Cold Fistula and Various Fistulous Sores:**
* Dansha (Cinnabar, 3 fen, finely ground)
* Chuan Dahuang (Rhei Radix et Rhizoma, 1 liang)
* Xionghuang (Realgar, 3 fen, finely ground)
* Kushen (Sophorae Flavescentis Radix, 1 liang)
* Huanglian (Coptidis Rhizoma, 1 liang, remove roots)
* Mangcao (Herba Siegesbeckiae, 3 fen)
* Rugu (Puerariae Radix or similar herb, 1 liang)
* Fanshi (Alumen, 3 fen, finely ground)
* Cihuang (Orpiment, 3 fen, finely ground)
Finely chop all herbs. Combine with 1 sheng 2 he of lard collected in the twelfth lunar month. Simmer Dahuang and other herbs over low heat until scorched yellow. Strain out the dregs. Add the powders of Cinnabar, Realgar, Alumen, and Orpiment. Simmer again, stirring until uniform. Store in a porcelain jar and apply as needed.
**Another Prescription:**
* Qianglang (Scarabaeus, 3 pieces)
* Shexiang (Moschus, 1 qian, finely ground)
* Songzhi (Pini Resina, 1 liang)
* Ganchan (Bufo Bufogargarizans dried, 1 piece)
Pulverize all ingredients. Mix with a small amount of honey and knead into cake-like shapes. Cleanse the sore thoroughly before applying the cake. Continue application until healed.
**Another Prescription:**
* Zaojia (Gleditsiae Fructus, 1 liang)
* Lichu (Veratri Rhizoma, 1 liang)
Burn all ingredients to ash, grind finely, and sprinkle gradually onto the affected area.
**Another Prescription:**
* Zhusha (Cinnabar, 1 fen)
* Pi Huang (Arsenic Trioxide/Realgar mixture, 1 fen)
Grind both ingredients together until extremely fine. Bind with hard rice flour to form pills the size of sesame seeds. Insert into the wound cavity. Healing occurs within ten days.