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Sichuan Pepper (Zanthoxyli Fructus), White Alum (Alumen, crushed, 3 liang each), Scallion White (Allii Fistulosi Bulbus, one handful including roots, washed clean), Soybean (Glycines Max Semen, 5 sheng, picked clean), Salt, Ginger Root (Zingiberis Rhizoma Recens, sliced, 2 liang each).

Spread the medicinal materials on a wooden board three inches wide, and place it horizontally near the bottom of a ceramic urn. Boil the obtained liquid, filter out the dregs, and pour it into the urn while hot. Wait until the temperature is suitable, then step onto the board inside the urn to soak the feet, frequently pouring the decoction from above onto the foot surface. The liquid should only be two or three inches away from the foot surface and must not exceed the ankle. If the liquid cools, return it to the pot according to the previous method, add the previous medicinal dregs, boil for three or four times, filter out the dregs, and soak the feet again according to the previous method. The dregs can only be re-boiled three or four times. Stop when sweating profusely. After sweating, cover the body with clothes and blankets, wait for the body to stabilize, and drink a bowl of ginger tea. This method also treats intestinal wind (intestinal bleeding due to wind-heat), reduces urticaria (hives), and cures eye dimness, epistaxis (nosebleed), deafness, and other diseases.

Decoction for Soaking Feet for Hong Kong Foot using Fir Wood Joints:
Fir Wood Joints (Cupressi Ligni Ramulus, half jin, crushed), Moth Larvae Powder (Larva Cossidae, half sheng), Desmodii Caulis (Desmodii Caulis, five liang, crushed).
Place the above three ingredients in a pot, add two dou of water, and boil down to one dou. Add four liang of salt and one dou of fermented grain juice (Jiangshui), and boil for three to five times. Use a clean ceramic urn capable of holding five dou, place a board horizontally at the bottom of the urn. Filter the decoction and pour it into the urn while hot. When the temperature is suitable, step onto the board in the urn and frequently pour the liquid from above onto the feet. The liquid should be three to four inches away from the foot surface and must not exceed the ankle. Stay in a sealed room to avoid wind. The goal is to induce profuse sweating. When the liquid cools, return it to the pot with the dregs, boil for three to five times, filter, and soak the feet as before.

Decoction for Soaking Feet for Early Stage Hong Kong Foot using Coix Root:
Coix Root (Coicis Radix, crushed), Zanthoxylum Root Bark (Zanthoxyli Radicis Cortex, crushed, 3 liang each), Desmodii Caulis (Desmodii Caulis, two liang, crushed), Evodia Fruit (Evodiae Fructus, one liang, washed with water and wrapped in cotton).
Place the above four ingredients in a pot, add two dou of water, and boil down to one dou two sheng. Add two dou of fermented grain juice and three liang of salt, and boil for five to seven times. Filter the dregs. Use a new clean ceramic urn capable of holding five dou, place a three-inch wide board horizontally at the bottom. Pour the decoction into the urn while hot. When the temperature is suitable, soak the feet near the urn in a sealed room, frequently pouring the liquid from above onto the feet. Warm the outside of the urn slightly with chaff fire. The liquid in the urn should be only three inches away from the foot surface. Replace the liquid frequently, aiming for profuse sweating. If sweating is insufficient, soak the feet all day. Additionally, use Ginger Root (Zingiberis Rhizoma Recens) and Chaenomeles Fruit (Chaenomelis Fructus), each one and a half liang, crush them, grind them together into a paste, apply to the soles of the feet, wrap tightly with wax paper, wear thick clothes and cover with blankets to induce sweating, then take the following Mugwort and Costus Decoction.

Mugwort and Costus Decoction:
Costus Root (Aucklandiae Radix, separately pounded), Areca Seed (Arecae Semen, separately pounded, half liang each), Red Snow (Hongxue, one liang, powdered).
Take three qianbi of Costus Root powder, add one and a half zhan of water, one date-sized piece of crushed Ginger Root, and three stalks of Scallion White. Boil down to one zhan. Filter the dregs. Add two qianbi of Areca Seed powder, one he of urine from a young boy, and two qianbi of Red Snow powder. Boil for one or two times. Filter the dregs and take warm.

Yellow Indigo Decoction for Soaking Feet for Hong Kong Foot:
Indigofera Root Bark (Indigerae Radicis Cortex, three jin, crushed), White Alum (Alumen, two liang, powdered).
First, boil the Indigofera Root Bark in two dou of water for more than ten boils. Filter the dregs and add the White Alum powder, stirring well. Use a ceramic urn capable of holding four dou five sheng, place a three-inch wide board horizontally at the bottom. Pour the decoction into the urn while hot. Sit in a sealed room, step on the horizontal wood in the urn, frequently soak, and pour the liquid from above onto the feet. Warm the outside of the urn slightly with chaff fire. Aim for profuse sweating. The liquid should be two or three inches away from the foot surface. After soaking, wrap both feet in cotton clothes to prevent wind exposure. Save the remaining liquid, warm it the next day, and use it again as before. If sweating is excessive and the chest feels extremely stuffy, take two qianbi of Red Snow powder mixed with cold fermented grain juice.

Powder for Foot Bath for Hong Kong Foot:
Wild Sichuan Pepper (Zanthoxyli Fructus Wild), Tribulus Fruit (Tribuli Fructus), Polystachya Herb (Polystachyae Herba), Schizonepeta Spike (Schizonepetae Spica).
Grind the above four ingredients into equal parts powder. Boil in water for soaking and washing.

Two Bean Decoction for Hong Kong Foot:
Soybean (Glycines Max Semen, five sheng), Adzuki Bean (Vigna Angularis Semen, three sheng), Evodia Fruit (Evodiae Fructus, one sheng), Salt (three he).
Take a new fir wood bucket. Place soybeans at the bottom, then adzuki beans, then Evodia fruit, then salt. Boil two dou of fermented grain juice in a pot and pour it into the fir wood bucket so that the boiling liquid covers the herbs but does not overflow. Step into the bucket and tread on the herbs. Continue treading until reaching the bottom, leaving only the toes exposed. Add boiling liquid if it feels cold, until finished. Cover tightly and avoid wind. Gradually wet up to the knees. When the liquid cools, remove feet and dust with rice flour.

For Hong Kong Foot attacks with chest and diaphragm oppression:
Take two new bricks, drill a hole in the center the size of a ball, without piercing through. Heat charcoal until red hot, splash with rice vinegar, then place Sichuan Pepper into the brick holes. Cover with an object. When warm, remove socks and stand on the bricks with feet; immediate relief.

Mahuang Foot Wrapping for Long-standing Wind-Dampness causing Cold Numbness, Hidden Pain, Difficulty Walking, Nighttime Cramps, and Sensation of Wind Blowing (Signs of Hong Kong Foot):
Crush two jin of Ephedra Herb (Ephedrae Herba), stir-fry until very hot, wrap in cloth, and bind around both feet ensuring no air leakage. After a long time, sweat will appear on the feet. When the Ephedra cools, stop. Wear cotton-lined socks to prevent wind exposure. Repeat three to five times to permanently cure the root cause.

Foot Tread Pill for Hong Kong Foot Swelling and Bone Pain:
Aconite Root (Aconiti Lateralis Radix Praeparata, three liang, peeled and navel removed, raw pounded to powder), Camphor (Borneolum Syntheticum, two liang, finely ground).
Grind the above two ingredients evenly. Make pills using strong vinegar and paste, sized like bullet seeds. Place one pill in the center of a stove and tread on it. Cover with blankets. Profuse sweating resembling saliva indicates efficacy.

Stove Method:
Dig a pit stove, one chi wide and two chi three cun deep. Clean it thoroughly. Place half a new brick in the center. Burn ten jin of fine stem charcoal until red hot. When the charcoal burns down by half, remove it. Splash with one sheng of strong vinegar. Mix four sheng of strong vinegar with eight jin of horse dung to form mud. Seal the surroundings of the pit stove with this mud. Place one pill on the brick, step on it with the foot, cover with blankets for two to three hours. Remove foot only after sweating stops completely, then wash with medicine.

Washing Decoction, Three Joints Decoction (Also treats Hemiplegia, Rheumatoid Arthritis, Limb Paralysis, Pain, etc.):
Fatsia Stem (Fatsiae Caulis), Fir Wood Joints (Cupressi Ligni Ramulus), Pine Wood Joints (Pini Ligni Ramulus), Typhonium Rhizome (Typhonii Rhizoma), Desmodii Caulis (Desmodii Caulis), Silkworm Excrement (Bombycis Batryticatus), Ephedra Root (Ephedrae Radix et Rhizoma), Castor Leaf (Ricini Folium), Willow Dung (Salicis Feces), Ash from Boiling Cotton Bucket (Cotinis Cinis).
Finely chop each of the above ten ingredients (3 liang each). Boil in one dou five sheng of water down to one dou. Wash while hot.

Peony Ointment for Hong Kong Foot Wind-Bi, Weakness and Pain in Hands and Feet, Rat Abscesses, Malignant Ulcers, Poisonous Wind Invasion, Abdominal Colic, and Various Diseases (Cured by Massage):
Moutan Bark (Moutan Cortex), Genkwa Flower (Genkwa Flos, raw use), Gleditsia Fruit (Gleditsiae Fructus, peeled and roasted, half liang each), Veratrum Rhizome (Veratri Rhizoma, raw use), Prepared Aconite Root (Aconiti Lateralis Radix Praeparata, cracked, peeled, navel removed), Polystachya Leaf (Polystachyae Folium, three fen each), Rhubarb Root (Rhei Radix et Rhizoma, chopped and stir-fried), Sichuan Pepper (Zanthoxyli Fructus, remove eyes and closed mouths, stir-fry until sweat appears, one liang each).
Pound and sieve the above eight ingredients. Wrap in new cotton, place in a clean vessel, and soak in three sheng of vinegar (Ku Jiu) overnight. Take three sheng of lard from the twelfth lunar month, refine in a pot to remove fascia, then add the herb-wrapped vinegar mixture. Simmer over low heat until color changes and consistency is appropriate. Filter out the herb bag, stir frequently to form ointment. Pour into glazed porcelain, seal tightly. Apply to affected areas as needed. Do not let women, chickens, or dogs see the preparation. Internal medication and external massage/moxibustion are key techniques for treating Hong Kong Foot. For spasms and numbness, commonly use this ointment. Also treats Jiangnan Poisonous Wind, starting with swelling and bi-syndrome in hands and feet, moving to neck and face, then abdomen, which can be fatal.

Wild Kadsura Ointment:
Kadsura Vine (Kadsurae Caulis, chopped), Symphyotis Herb (Symphyotrichi Herba, chopped), Saposhnikovia Root (Saposhnikoviae Radix, remove forked ends, three liang each), Rhinoceros Horn (Rhinocerotis Cornu, shaved), Prepared Aconite Root (Aconiti Lateralis Radix Praeparata, cracked, peeled, navel removed), Platycodon Root (Platycodi Radix, remove rhizome), Typhonium Leaf (Typhonii Folium), Sichuan Pepper (Zanthoxyli Fructus, remove eyes and closed mouths, stir-fry until sweat appears), Dried Ginger (Zingiberis Rhizoma, prepared), Croton Seed (Crotonis Fructus, peel and heart removed, ground to paste), Cimicifuga Rhizome (Cimicifugae Rhizoma), Asarum Root (Asari Radix et Rhizoma, cleaned, two liang each), Realgar (Realgar, ground, one liang), Softshell Turtle Shell (Testudinis Carapax et Plastrum, vinegar-roasted, skirt removed, one liang).
Pound and grind the above fourteen ingredients into powder. Soak in four sheng of wine overnight. First, take five jin of lard from the twelfth lunar month, refine in a clean pot to oil, filter fascia. Wrap the wine-soaked herb powder in new cotton, place in the lard pot. Simmer over low heat until color changes. Remove herb bag, stir frequently to prevent burning. Adjust consistency. Filter dregs. Store in glazed porcelain, seal tightly. Apply to affected areas. Do not let women or animals see the preparation.

Wheat Bran Ointment for Heel Pain (Any side, dull pain due to Wind-Toxic Qi, Cold Congestion, Blood Stasis):
Wheat Bran (Tritici Vulgaris Bran), Bear Fat (Ursi Adeps).
Mix equal parts. Stir-fry over low heat. Add a small amount of Jiajian Lip Balm. Mix into a paste. Apply to painful areas repeatedly until cured.

Aconite Powder for Hong Kong Foot with Scrotal Swelling, Chronic Non-healing:
Prepared Aconite Root (Aconiti Lateralis Radix Praeparata, one liang, peeled and navel removed, raw use).
Pound into powder. Mix with Ginger Juice (Zingiberis Rhizoma Recens Succus) to form a paste. Apply to swelling. Reapply when dry. Stop when swelling subsides.

Mustard Seed Ointment for Wind-Damp Hong Kong Foot with Swelling, Pain, and Weakness:
White Mustard Seed (Sinapis Albae Semen), Rapeseed (Brassicae Napus Semen), Castor Seed (Ricini Semen), Momordica Seed (Momordicae Semen, shell removed), White Rosin (Colophonium, one liang each), Walnut (Juglandis Semen, five nuts, shell removed).
Pound the above six ingredients together three thousand times to form a paste. Use size of a soap bean to massage painful areas.

Adzuki Bean Decoction for Hong Kong Foot:
Adzuki Bean (Vigna Angularis Semen, two sheng half), Apricot Kernel (Armeniacae Semen Amarum, soaked in water, skin and tip removed, double kernel, stir-fried), Mulberry Root Bark (Mori Radicis Cortex, chopped, one liang each), Ginger Root (Zingiberis Rhizoma Recens, sliced, one and a half liang).
Coarsely chop and sieve. Boil in three sheng of water down to one and a half sheng. Filter dregs. Add half fen of Evodia Powder and half fen of Sichuan Pepper Powder. Boil for one or two boils until paste-like. Store in sealed container. Take one spoonful, mixed with wine on an empty stomach.

Black Bean Decoction for Hong Kong Foot:
Black Soybean (Glycines Max Semen, five sheng), Mulberry Root Bark (Mori Radicis Cortex, chopped five liang, boiled with beans until soft, filtered for juice), Notopterygium Root (Notopterygii Rhizoma et Radix, remove rhizome), Tribulus Fruit (Tribuli Fructus, stir-fried, spines removed), Cryptocarya Bark (Cryptocaryae Cortex, chopped), Evodia Fruit (Evodiae Fructus, washed with water, dried, stir-fried, half liang each).
Except for the previously obtained juice, pound the rest into powder. Add to the juice. Boil over medium-low heat to form a paste. Take one spoonful, dissolved in warm wine, before meals on an empty stomach.

Achyranthes Powder for Hong Kong Foot with Anorexia:
Achyranthes Root (Achyranthis Bidentatae Radix, soaked in wine, dried, separately pounded), Asarum Root (Asari Radix et Rhizoma, remove stems and leaves), Sand (Sha, ground, one liang each).
Pound and grind into powder. Take two qianbi, mixed with warm wine. Take every other day.

Pinellia Decoction for All Types of Hong Kong Foot:
Pinellia Tuber (Pinelliae Rhizoma, one liang, washed with water to remove slipperiness).
Chop like hemp seeds. Boil in one sheng of Ginger Juice (Zingiberis Rhizoma Recens Succus) to obtain four he. Take all at once on an empty stomach. Take one dose every other day.