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Treatment for various types of malaria.
Method: Take one strip of snake skin (She Tui), or three to five strips, calcine them over charcoal fire until the medicinal properties are preserved (Cun Xing), and grind into a fine powder. Administer one "yi zi" (a traditional small unit of weight) per dose, taken with Wugen Shui (water without roots, such as rain or dew water). The medicine should be taken one shichen (two hours) before the onset of symptoms. Avoid consuming chicken, fish, and cold/raw foods. An alternative method is to plug both ears with snake skin and take a small amount of medicine just before the attack.

In ancient times, the Yellow Emperor asked Qibo: "There are many prescriptions for malaria, yet few result in cure. Why is this?" Qibo replied: "Malaria has twelve types." The Emperor asked: "What are the names of these 'malaria ghosts'? May I hear them?" Qibo said: "If you know the name of the malaria ghost, it will be cured; if not, even a hundred prescriptions will fail." The Emperor said: "I wish to hear about them."

Onset at Yin hour (03:00–05:00): Caused by a ghost who died in prison. Treatment: Have the patient sit on a kiln, allowing the ash and fire to surround them for one cycle, ensuring the fire does not go out, and the illness will subside.
Onset at Mao hour (05:00–07:00): Caused by a ghost who died from whipping. Treatment: Burn clothes of five colors into ash, take an amount held by three fingers, mix into wine. If wine is unavailable, use clear water for administration.
Onset at Chen hour (07:00–09:00): Caused by a ghost who died falling from a tree. Treatment: Have the patient climb to a high place on a tree.
Onset at Si hour (09:00–11:00): Caused by a ghost who died by burning. Treatment: Have the patient sit on the ground, surrounded by fire.
Onset at Wu hour (11:00–13:00): Caused by a ghost who died of hunger. Treatment: Have the patient hold a fat torch, go to an uninhabited area in the fields, burn the fat to create fragrance, and pretend to gather firewood to leave.
Onset at Wei hour (13:00–15:00): Caused by a ghost who died by drowning. Treatment: Have the patient cross flowing eastward water three times just before the onset of symptoms.
Onset at Shen hour (15:00–17:00): Caused by a ghost who died by self-stabbing. Treatment: When the patient feels the urge for the fever to start, stab a tomb with a knife, ascertain the deceased's surname and given name, and chant: "If you recover, I will remove your grievance/marker for you."
Onset at You hour (17:00–19:00): Caused by a ghost who was a slave/servant and died. Treatment: Have the patient lie on the edge of a mortar/pounding trough, and do not let anyone speak their name.
Onset at Xu hour (19:00–21:00): Caused by a ghost who died by hanging themselves. Treatment: Tie the patient's hands, feet, waist, and head with a rope from the left side.
Onset at Hai hour (21:00–23:00): Caused by a ghost who was a robber/thief and died. Treatment: Use one knife and one arrow, burn ashes around the body for one cycle, and place the arrow horizontally under the abdomen.
Onset at Zi hour (23:00–01:00): Caused by a ghost who was a widow and died. Treatment: Have the patient undress and lie on a bed in the eastern wing. Hold a knife in the left hand and a staff in the right hand, striking continuously to make noise, and place a clay basin filled with water by the roadside.
Onset at Chou hour (01:00–03:00): Caused by a ghost who was executed/beheaded. Treatment: Have the patient lie facing the doorway, with the head pointing East.