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(Attached prescription for treating exposure to wind-cold)
Dispersing Cold Damage (Shanghan)
Regardless of whether it is a Yin syndrome or Yang syndrome, in emergency situations where no medicine is available. Take one liang of fresh ginger, ten stalks of scallion white, and two large bowls of good liquor; decoct until half remains, and take hot. Cover with blankets until sweat permeates the whole body, which indicates resolution; do not allow excessive sweating. Avoid heavy meat and greasy foods for five to seven days. In spring, follow this prescription; in summer, halve the dosage of ginger and scallion; in winter, add two he of stir-fried black beans, which is especially effective when decocted and taken. If decoction is inconvenient during travel, use five slices of ginger, four stalks of scallion white, and three qian of Perilla Leaf (Zisuye) (if unavailable, substitute with fine tea); steep in water, make into a decoction, and take hot. (From *Mifang Jiyuan*)

Food Stagnation Cold Damage
Six liang of aged wine lees, four liang of fresh ginger, four liang of Acorus Tatarinowii Root (Shuichangpu), two liang of salt.
Pound together, stir-fry until hot, form into cakes, and apply to the painful area on the chest. Apply heat (ironing with fire/warm object); remove immediately upon hearing internal rumbling. If thirsty, drink tea at will. Recovery occurs after the expulsion of foul matter from the bowels.

Food Injury (Food Stagnation)
Burn the yellow membrane inside the chicken gizzard to ash, and take with wine. Effective for both adults and children suffering from food stagnation and indigestion; recovery follows administration.
Alternatively, use flour, grind into powder, mix with wine, clarify by removing sediment, and take; this is most effective. On the third day of the third lunar month, collect wild shepherd's purse flowers with roots, dry them, store them, decoct in water, and take; this eliminates food stagnation. (Prescription of Xu Longyao)

Wind-Cold Common Cold in All Seasons
At the onset, take five scallion whites with roots intact, crush raw, mix with wine, and take. (From *Mifang Jiyuan*)

Big Head Plague (Datou Wen) [A warm disease characterized by swelling and pain of the head and face]
Five qian of Coptis Rhizome (Huanglian), five qian of Scutellaria Root (Huangqin), three qian of Ginseng Radix et Rhizoma (Renshen), two qian of Exocarpium Citri Reticulatae (Juhong), two qian of Scrophulariae Radix (Xuanshen), one qian of Licorice Root (Gancao), one qian of Forsythia Fruit (Lianqiao), one qian of Arctii Fructus (Niubangzi), one qian of Mentha Haplocalycis Herba (Boheye), one qian of Isatidis Radix (Banlangen), one qian of Polyporus Umbellatus (Mapibo), one qian of Bombyx Batryticatus (Baijiangcan), one qian of Cimicifugae Rhizoma (Shengma), two qian of Bupleuri Radix (Chaihu), two qian of Platycodonis Radix (Jiegeng).
Grind into powder, mix with boiling water, and take frequently. Alternatively, mix with honey to form pills, and hold in the mouth to dissolve. This prescription has saved many lives. (From *Chishui Xuanzhu*)

Prevention of Epidemic Contagion
Three qian, three fen, three li of Atractylodis Rhizoma (Cangzhu) (soaked in rice wash water, sliced, and stir-fried), one qian, six fen, six li of Glycyrrhizae Radix et Rhizoma (Gancao), eight qian, five fen of Ligusticum Chuanxiong Rhizoma (Fuxiong), one qian, three fen, six li of Puerariae Radix (Gegen).
Add three slices of ginger and three scallion bulbs with roots; decoct in two bowls of water until eight parts remain; take on an empty stomach. Those already ill will be cured; those not yet ill will not contract the disease. (From *Mifang Jiyuan*)

Toad Plague (Xama Wen) [Similar to mumps]
Crush golden-line field frogs (Xianjin Tianji) to extract juice, dilute with water, and drink in one dose on an empty stomach; extremely effective. (From *Bencao Faming*)

Expelling Epidemics
Use powder of Realgar (Xionghuang) mixed with vegetable oil to apply inside the nostrils; additionally, drink one cup of Realgar-infused wine on an empty stomach; this ensures permanent immunity from infection. (From Medical Books)