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[Bai Donggua / White Winter Melon]
Indications: Benefits the spleen, tonifies Qi, promotes urination and defecation, reduces edema, treats thirst (Xiao Ke), relieves irritability, treats carbuncles and swellings, and resolves heat toxins. The seeds can relieve skin pruritus and cough.

Formula 1 (Donggua Tang / Winter Melon Decoction):
Take eight he of sliced Donggua (Benincasa hispida fruit), one qian two fen of Gualou (Trichosanthis Fructus), eight fen each of Fuling (Poria) and Zhimu (Anemarrhenae Rhizoma), five fen of Maidong (Ophiopogonis Radix), and two he five shao of Sumi (Setaria italica grain). Add five sheng of water, boil until reduced to one sheng four he, filter through cloth to remove dregs, and take warm. This formula is used to treat thirst and dysentery in children; dosage should be adjusted according to the child's age and size.

Formula 2:
Boil Donggua, take the clear liquid, keep it in a cool place, and drink as desired. It is used to treat excessive thirst caused by Huoluan (Cholera-like syndrome).

Formula 3:
Take fifty to seventy Donggua seeds, steam them with Bingtang (Rock Sugar), and drink the decoction. It is used to treat cough.

[Sigua / Luffa]
Indications: Clears heat, benefits the intestines, warms the stomach, tonifies Yang, transforms phlegm, cools blood, unblocks collaterals, reduces swelling. It is used to treat yellow accumulation, pain due to blood and Qi stagnation, hernia pain, swellings, bleeding from stool or urine, Changfeng (intestinal wind) and hemorrhoids/fistulas, Benzhong (metrorrhagia) in women, insufficient lactation, fetal toxin in infants, and carbuncles/ulcers/cellulitis. Leaves are used to treat testicular abscesses, swollen tinea corporis. Vines are used to treat nasal discharge (Naolou) and toothache. It has insecticidal and detoxifying properties.

Formula 1 (Sigua San / Luffa Powder):
Burn dried Sigua (Luffae Fructus) until carbonized but retaining its nature, grind into powder, and mix with warm wine for oral administration. It is used to treat amenorrhea in women.

Formula 2 (Sigua Ye Gao / Luffa Leaf Paste):
Take equal parts of Sigua leaves, Jiu ye (Allium tuberosum leaves), and Lianxu Congbai (Scallion white with roots). Grind in a stone mortar into a paste. Mix with hot wine, filter, and take orally. If the lesion is on the left hand, apply to the left axilla; if on the right hand, apply to the right axilla; also apply to both hypochondriac regions. If on the left foot, apply to the left groin; if on the right foot, apply to the right groin. If in the center, apply to the heart and umbilicus area. Bind firmly with cloth. When red threads turn white, it indicates safety/recovery. It is used to treat Maigu Ding (pulse bone ding/spiculum). The patient must be held firmly by others and must not fall or tremble; if they fall, it is difficult to save.

Formula 3:
Take Fangfeng (Saposhnikoviae Radix) and Jingjie (Schizonepetae Herba) each one liang, Shengma (Cimicifugae Rhizoma) half liang, and three slices of Jiang (Zingiberis Rhizoma). Add one zhan of water, boil until reduced to half zhan. Add half zhan of juice extracted from ground Sigua seeds, mix, and administer orally. It is used to treat sudden stroke causing numbness in hands and feet.

Formula 4:
Take Chen Duanshi (Aged Ferrous Carbonate), Xin Duansshi (Fresh Ferrous Carbonate), Sigua genye (Luffa root and leaves), and Jiucai gen (Allium tuberosum root) in equal parts. Pound one thousand times, form into cakes, and dry in shade. When needed, grind into powder and apply externally to treat knife wounds.

Formula 5:
Take Sigua teng (Luffa vine) near the root, three to five chi long, burn until carbonized but retaining its nature, and grind into powder. Take one qian per dose, administered with warm wine. It is used to treat conditions involving the flow of foul-smelling yellow fluid.