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Collect winter melon leaves, dry them in the shade, bake them on tiles until dry, and grind them into an extremely fine powder. Apply directly to the sore. For weeping areas, applying it three or four times will dry the wound; this method has proven effective repeatedly.

Burn snails, including shell and flesh, until they retain their medicinal properties (Cinnabarization/Calcination), add a small amount of Calomel (Mercurous Chloride), mix well, and apply topically.

This is a prescription from Judicial Officer Gao, which Jiang Qipan considered highly effective.
Jiang Cha (River Tea) Da Huang (Rhei Radix et Rhizoma, one fen, baked dry) Xiao Fen (Puerariae Radix, baked, fried until yellowish-green, weighed)
Grind the above ingredients into a fine powder. For dry sores, mix with cold water for topical application; for weeping sores, sprinkle the powder directly.

Transmitted by Vice Minister Zhang Dingsou, this formula specifically treats malignant sores and scrofula (Luo Li, 瘰疬), with miraculous effects.
Huang Pi (Phellodendri Cortex, any amount): Soak in urine of a young boy for five days in spring and autumn, three days in summer, and seven days in winter. Bake dry and grind into a fine powder.
Chuan Shan Jia (Manis Squama, any amount): Fire-calcine until retaining its properties, then grind finely.
Tu Niu Xi (Cyathulae Radix, any amount): Grind finely on a new tile.
For each use, take three qian of Huang Pi powder, one zi of Chuan Shan Jia powder, one zi of Tu Niu Xi powder, and half a qian of Calomel. Grind together until extremely uniform and fine. For wet sores, sprinkle powder directly; for dry sores, mix with sesame oil and apply.

Zhang Zhong'an, courtesy name Fu.
Huang Bo (Phellodendri Cortex) calcined to ash, ground finely. Mix with egg white (Ji Zi Qing) for topical application. If the sore is broken, sprinkle the powder directly; this is miraculous.

Urticaria (Yin Zhen), characterized by itching or pain.
Qie Zi Hua (Solanum Melongena Flower), Huang Shu Kui Hua (Abutilon Theophrasti Medicus Flower)
Harvest these two herbs using bamboo tongs, avoiding direct hand contact. Use equal amounts, place them in a porcelain jar, seal tightly, and hang in a clean room for long-term storage.

Mirulous Ointment for Malignant Sores, treating goiter (Ying, 瘿) and fistulas (Lou Chuang, 漏疮) on the neck.
True clear sesame oil: Soak three ancient copper coins (or twenty wen) in it for a long time. The longer the aging, the better. When using, apply to the affected area with a goose feather brush.

Sores caused by scratching often result from sweating during the hottest days and sitting or lying on damp ground, leading to multiple ulcerated skin lesions with exudate. A wet nurse suggested:
Take dry soil from interior walls, rub into a fine powder, and apply. Healing occurs immediately upon application.

The method using pig marrow bones is described in the Pediatrics section.

Xiong Huang (Realgar, levigated) Bai Fan (Alumen, levigated) Huang Dan (Minium, levigated) Bai Lian (Ampelopsis Radix, fine powder)
Mix the above ingredients in equal proportions with water. Apply with a goose feather brush onto paper flowers, leaving a small hole in the center to allow the discharge of toxic vapors.

For cracked skin, use the "Sixth Brother" formula.
Ba Dou (Crotonis Fructus, fourteen seeds, shelled) Ma You (Sesami Oil, two liang)
Simmer Ba Dou in Ma You until Ba Dou turns charred black. Remove Ba Dou and discard. Add a small amount of Beeswax (Huang La) and thirty wen of Calomel. Stir until uniform like a face cream, and rub onto the sore.