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Lesions occurring on the skin of the palms and soles, presenting with hardness, itching, and severe dryness, are treated by applying Hong You (Red Oil) in a ventilated area. The oil is warmed by fire and rubbed onto the affected area two to three times daily until healed. Preparation: Take 1 liang of Sesame Oil (Sesamum indicum Oil), 1 qian of Red Arsenic (Realgar processed as red arsenic). Crush the arsenic finely like rice bran, add to the oil, and boil until the arsenic is burnt out and smoke ceases. Strain to remove the arsenic residue, retaining the oil. In a ventilated place, warm the oil with fire and apply it two to three times daily until cured.

For Onychomycosis (Gray Nail), crush fresh Impatiens balsamina flowers on the same day and apply them to the nail, wrapping tightly above and below. Change once daily until the diseased nail falls off and healthy nail grows.

Apply Yanghe Jiening Gao (Yanghe Dissolving Cold Plaster); one night's application can cure it. If ulcerated, apply three plasters to complete treatment.

For all types of Ju (deep-seated abscesses) that are white in color and vary in size, avoid using Dongtian Gao (Plaster) or Nen Gao (Soft Ointment). Using them will cause cold stagnation and further condensation of the pathogen. It is strictly forbidden to use Qianchui Gao (Thousand-Beaten Plaster) or Ji Yu Gao (Crucian Carp Plaster), as both contain Crotonis Fructus (Croton Seed) and Ricini Semen (Castor Bean). Their application may stimulate and exacerbate the toxin. Cases of Heng Xuan (Bubo/Groin Abscess) and Ru Yan (Breast Cancer/Tumor) have been seen to become fatal due to such applications. Pregnant women must not use them, as they may induce abortion. After any Ju has ulcerated, it is appropriate to apply Yanghe Jiening Gao.

For lesions that are red, swollen, painful, with a base diameter of approximately one cun, this is classified as Yong (Superficial Abscess). If the toxin has manifested for three to four days without suppuration, apply Nen Gao around the periphery of the lesion. Internally administer Xingxiao Wan (Xingxiao Pill) with warm aged wine, 3 qian per dose, to immediately relieve pain. If the patient sleeps well at night and the skin wrinkles the next day, administer Quanxiao Wan (Quanxiao Pill). If four to five days pass and the lesion is about to suppurate, still administer Xingxiao Wan to reduce swelling and induration around the periphery, stop pain, dissipate toxicity, and localize the lesion ("silence" the lesion), which is the method of "transforming large into small." For lesions with pus heads, apply Yaotou Gao (Head-Piercing Plaster) combined with Daishao San (Knife-Replacement Powder), 3 qian taken with wine to penetrate the pus, or puncture slightly with a needle, then apply Dongtian Gao; healing occurs within a few days. For lesions several cun in diameter, or those located in dangerous areas such as the back, nape of the neck, waist, abdomen, armpits, or scrotum, use Wutong Wan (Wutong Pill) and Xingxiao Wan, alternating with Baidu Tang (Toxin-Detoxifying Decoction) twice daily. Continue administration until skin wrinkling occurs and pain subsides, then continue until cure. If ulcerated, use Tuodu San (Toxin-Expelling Powder) and Xingxiao Wan, also administered alternately morning and evening. For lesions less than one cun in diameter that are also red and swollen, this is Jie (Furuncle). Chansu Wan (Toad Venom Pill) and Meihua Dianshe Dan (Plum-Blossom Pointed Tongue Elixir) can both reduce swelling and relieve pain.

Ma said: This treatment method is extremely correct.
He added: For Yongs and Jies in the waist, abdomen, armpits, etc., Wutong Wan and Xingxiao Wan are the best choices.