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Immediately after the injury, soak and wash the affected area with urine. After drying, apply sesame oil to heal.
Another prescription: Grind Realgar (Xionghuang) with rice vinegar and apply to the site. Another method: Mix earthworm feces with well water and apply; this stops pain immediately.

When a silkworm bites, its venom enters the flesh, causing chills and fever. Crush the root or leaves of Boehmeria nivea (Zhu Gen) to extract juice and apply it for healing. (Note: Silkworms fear Boehmeria nivea; thus, modern silkworm breeders place Boehmeria nivea near silkworms to prevent disease outbreaks.)

For this injury, burn mulberry leaves to ash, mix with water to obtain a thick filtrate, add alum powder, and apply. Alternatively, crush green moss and apply topically. Internally, administer Baidu San (Poison-Resolving Powder) with 3 qian of green moss decocted.
(Note: There is an omission in the original text here.)

Applying calcined stone (Duanshi) mixed with vinegar is effective.

Apply a mixture of salt and sesame oil.

When an ant bites, seal the wound with head scum, or take soil from the ground by turning your hand upside down and apply it; mixing with vinegar is also acceptable.

This insect lives in water and attaches to the human body during bathing, burrowing into the skin. Initially, red bumps appear on the skin resembling small beans, millet, or broomcorn millet; rubbing causes stinging pain.
Another prescription: Use two Mylabris (Banmao). Take one as powder for internal use, and burn the other until smoke dissipates, then grind into powder for topical application; cure is immediate.

Stone leeches are found on branches and grass in mountains. If they attach to the feet, they penetrate muscle and bone, causing harm. When traveling in mountains, it is advisable to apply lard from the twelfth lunar month mixed with salt to the calves, shins, and toes to prevent attachment.

Burn dried eel bones, Noctua Sand (Yeming Sha), duckweed, and chinaberry flowers once; for seven days, mosquitoes will not enter the house. Another formula: Mix equal parts of turtle plastron bones, eel bones, chinaberry flowers, Sophora flavescens (Kushen), and Veratrum nigrum (Lilu) into powder. Burn a pinch every night, and mosquitoes will disperse.

Powdered Stemona (Baibu) and Gentiana macrophylla (Qinjiao) can be burned in a bamboo cage to fumigate, or decocted to wash clothes. Another method: Shell thirty Ginkgo nuts (Baiguo), crush them, and add to sizing liquid to wash clothes, preventing lice.

Equal parts of camphor, realgar (Cihuang), and eel bones are ground into powder and burned for fumigation. Sprinkling camphor on clothing and mats is extremely effective.

Indian pepper (i.e., large chili). Burn crushed powder over fire to produce smoke for fumigation; people must stay away, otherwise inhaling the smoke may cause nosebleeds. Another method: Sprinkle Zanthoxylum (Zhuyu) powder... [text incomplete] ...in a place without drafts is best.
A prescription from the spirit-writing table for treating bedbugs:
Grind sulfur into powder, mix with cotton seeds, and burn. Pressing the cotton seeds twice or three times eliminates them completely.