Use the dregs remaining after making tofu, stir-fry them until hot, and apply to the affected area. Wrap tightly with cloth; replace immediately when it cools down. Bandaging overnight leads to recovery.

Take a segment of camphor wood, crush it into powder, and decoct in water. Take one tael of the scale from an old urine bucket, stir-fry until dry, grind into powder, and mix with "Chen Xiaofen" for topical application on red, swollen, and painful areas. (Note: "Chen Xiaofen" refers to fine powder obtained by rubbing bran, washing it with water, and allowing the sediment to settle.)

Slice fresh ginger, dip in sesame oil, and rub on the affected area. Additionally, roast fresh ginger over fire until hot, crush it into a paste, and apply as a poultice.

[Etiology] Caused by trimming nails too deeply into the flesh, or by long nails injuring the skin leading to ulceration.

Roach (Peripatus chinensis) is baked until charred, ground into powder, and applied topically. Externally, use powder of Arisaema cum Bile (Nanxing), mixed with vinegar for application.

[Etiology] Presence of parasites/worms here.

Place a tile on a stove, sprinkle leek seeds on the tile, add sesame oil, and steam the foot upwards towards the heat. Surround with cloth to prevent wind leakage. After a short while, itching stops; if worms fall onto the tile, it indicates cure.

Another prescription: Rub sulfur on the itchy area, then apply a thick layer of concentrated sulfur powder. Wrap with cloth and wear socks. Change once daily; recover within a few days. Do not scratch with hands under any circumstances.

Take bones from aged ham, wash thoroughly in rice water to remove saltiness, burn until charred, grind into powder, and apply topically.

Take one handful of willow leaves, three apricot kernels, and three qian of calcined alum. Crush together and apply as a poultice.

[Disease Name] Ant Bite (Yi), also known as Rat Bite (Shu)

Take fourteen slices of Pangolin Scales (Chanshunjia), burn until charred, grind into powder, mix with lard, and apply topically.

[Disease Name] Ox Face (Niulian - a type of facial dermatosis)

It is advisable to gently remove the old skin. Grind raw Aconitum carmichaelii Debx. (Caowu) in wine and apply to the affected area; immediate recovery ensues.

[Symptoms] The lesion is hard as iron, making standing impossible. Pores above the knees constantly secrete fluid. The body experiences chills and tremors, with a strong craving for alcohol and food.

[Contraindication] Avoid using a knife.

Take Rhizoma Bletillae Striatae (Baiji) scraped for fine powder, mix with saliva, and apply; immediate effect is observed.

[Disease Name] Corns/Clavus (Rouci/Jiyani)

Apply half a Chinese Water Chestnut (Biqi) for five to six nights; the corn will detach from the root.

Crush dried plum meat (Wumei Rou), add a small amount of vinegar and salt water, mix well, and apply as a patch. For clavus and corns, apply powder of Ricinus Communis Seed (Bimazi).

Another prescription: Take one Chinese Water Chestnut (Biqi) and one qian of buckwheat flour, crush together, and apply for one day and night. Alternatively, soak centipede in sesame oil for one to two days, take out, crush, and apply; overnight, the root of the corn is extracted and does not recur (also treats hair-rotting tinea). Or use Stellaria dichotoma var. lanceolata (Mantianxing, also known as Bian Di Jin Qian or Po Tong Qian, which grows in steps and flower pots), crush and apply. Or chew fresh radish and apply the pulp.

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