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Treats white patches appearing on the face and neck, resembling tinea alba (white ringworm), known as "Yang" (here referring to vitiligo or similar depigmentation skin diseases).

Take the stalks of a cooking broom, the strap of a steamer basket, the sole of an old shoe, and snake slough (one piece).
Burn all the above materials into ash during a lunar eclipse at the exact moment of the eclipse. Grind them finely. Take two qian each time, regardless of the hour, mixed with warm wine. Additionally, mix the medicine with vinegar to form a paste and apply it to the white patches, which will then disappear.

When pathogenic Qi lodges in the skin, red spots appear all over the body, resembling hemp seeds or beans in size.
Qinjiao (Gentianae Radix) (1 liang) Fangfeng (Saposhnikoviae Radix) Huangqin (Scutellariae Radix) Mahuang (Ephedrae Herba, roots and nodes removed) Xijiaoxie (Rhinocerotis Cornu fragment) Xuanshen (Scrophulariae Radix) Gancao (Glycyrrhizae Radix et Rhizoma, honey-fried, each 0.5 liang) Zhike (Aurantii Fructus Immaturus, bran-fried) Niubangzi (Arctii Fructus, fried) Huangqi (Astragali Radix) Shengma (Cimicifugae Rhizoma, each 3 fen).
Crush the above herbs. Take three qian per dose, decoct with one zhong of water until reduced to six-tenths, remove the dregs, and take warm at any time.

Treats sores caused by wind-heat in the skin, accompanied by itching or pain.
Daochui Liu (Salix matsudana twig/leaf) (2 jin, chopped) Baifan (Alumen) (2 liang, raw use) Xingren (Prunus armeniaca seed) (3 liang).
Crush the above herbs, decoct with 15 sheng of water until reduced to 1 dou, remove the dregs, and bathe in a windless place; this is extremely effective.

Treats generalized pruritus due to wind, which is unbearable.
Kushen (Sophorae Flavescentis Radix) Can'er Miao (Xanthii Young Sprout) Mujing Zi (Vitex Negundo Fruit) Baijili (Tribuli Fructus, fried, thorns removed) Xuanshen (Scrophulariae Radix) Huma Zi (Sesami Semen) Wancan Sha (Bombyx Batryticatus excrement) Shechuangzi (Cnidii Fructus) Tianma (Gastrodiae Rhizoma).
Grind the above herbs into fine powder. Take two qian per dose, regardless of the hour, taken down with Zijunscha (Purple Bamboo Shoot Tea) infusion.

If the sensation feels like insect bites on the skin, scratching when itchy causes the skin to peel off and form sores.
Jili Zi (Tribuli Fructus) (3 sheng, crushed) Shechuangzi (Cnidii Fructus) (2 sheng) Chongweizi (Leonuri Fructus) (1 sheng) Fangfeng (Saposhnikoviae Radix) (5 liang) Daji (Euphorbiae Pekinensis Radix) (1 jin) Dahuang (Rhei Radix et Rhizoma).
Crush the above herbs, boil with 4 sheng of wine and 7 sheng of water until 4 sheng remains, remove the dregs, add Fushi (Alumen), heat over fire three times, wipe the body with a cloth until healed. Another prescription does not include Dahuang.

Treats Lung Wind. Symptoms include skin itching, or the appearance of urticaria (Yinzhen), scabies, and tinea. Kou Zongshi stated: A patient suffered from generalized fine rashes due to wind-heat, with unbearable itching and pain affecting the chest, neck, umbilicus, abdomen, and even near the genitals. There was also excessive phlegm-saliva, and inability to sleep at night.
Kushen (Sophorae Flavescentis Radix) (1 jin) Zaojia (Gleditsiae Sinensis Fructus, peeled and de-seeded, pounded, 2 jin, soaked in 1 dou of water, rubbed to extract thick juice, filtered to remove dregs, boiled into a paste).
Pound Kushen into fine powder, mix with the Zaojia paste to make pills the size of paulownia seeds. Take thirty pills per dose, washed down with Jingjie (Schizonepetae Herba) and Bohe (Menthae Haplocalycis Herba) wine. Another prescription omits Jingjie and Bohe, using only wine for administration, which is also effective for treating generalized wind-heat, fine rashes, itching, and pain.