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Zhu Ling (Polyporus, *Polyporus umbellatus*) (18 zhu) Ze Xie (Alisma Rhizome, *Alismatis Orientalis*) (1 liang 6 zhu) Fu Ling (Poria, *Poria cocos*) (18 zhu) Gui Zhi (Cinnamon Twig, *Cinnamomi Ramulus*) (0.5 liang) Bai Zhu (Atractylodis Macrocephalae Rhizoma, *Atractylodes macrocephala*) (18 zhu)
Crush the above five herbs into powder. Mix with rice water and take one fangcun bi (a square-inch measure of powder) per dose. Take three times a day.
This is a formula that simultaneously releases the exterior and resolves the interior. Therefore, it is said to cover the patient to induce a slight sweat. Fu Ling and Zhu Ling have a bland taste, so they can leach out dampness and wash away retained fluids. Ze Xie has a salty taste, so it can drain kidney fire and relieve thirst. Bai Zhu has a sweet taste, so it can dry spleen dampness and dispel damp pathogens. Gui Zhi has a pungent taste, so it can dissipate pathogens and harmonize the Ying (Nutritive) level. To combine sweating to release the exterior, Gui Zhi is used. If the purpose is solely to promote urination, Rou Gui (Cinnamon Bark) should be used. The subtlety lies entirely in this distinction. If pungent-heat herbs were used to treat it, how could they soothe the Liver, subdue the Kidney, unblock fluid metabolism, and promote diuresis? ○ This is the primary formula for expelling internal and external retained fluids. In *Jin Gui Yao Lue*, for vertigo caused by Zhī Yǐn (branching fluid retention) under the heart, Ze Xie Tang is used; for vomiting with a desire for water, Zhu Ling San is used, selecting two or three herbs as needed according to circumstances. All established formulas are derived from this base decoction. Ancestral Formulas record: Wu Ling San treats Tai Yang disease or warm diseases where both exterior and interior patterns remain unresolved, presenting with headache, fever, dry mouth and throat, irritability, thirst, drinking water, or immediate vomiting after drinking, or difficulty in urination. It is also indicated when sweating has resolved the exterior pattern but irritability and thirst persist. It is suitable for such cases. It also treats Huo Luan (cholera-like syndrome) with vomiting and diarrhea, extreme thirst, and drinking large amounts of water. Furthermore, it treats thin individuals who experience palpitations below the navel, salivation, vomiting, and even Fan Wei (reverse regurgitation). Such conditions all belong to the category of retained fluid accumulation and congealed body fluids, resulting in constipation of stool and urine. One only needs to appropriately modify the formula based on the specific presentation.

Zhu Ling (Polyporus, *Polyporus umbellatus*) (peeled) Fu Ling (Poria, *Poria cocos*) Ze Xie (Alisma Rhizome, *Alismatis Orientalis*) Hua Shi (Talcum, *Talcum*) E Jiao (Donkey-Hide Gelatin, *Colla Corii Asini*) (each 1 liang)
Take the above five herbs. Add four sheng of water. First, decoct the first four herbs until two sheng of liquid remains. Strain out the dregs. Add E Jiao and melt it into the hot liquid. Take seven he of the warm decoction per dose. Take three times a day.

Gua Di (Melon Seed, *Cucumeris Fructus Semen*) (1 fen, stir-fried until yellow) Chi Xiao Dou (Adzuki Bean, *Vigna angularis*) (5 fen)
Each of the above two herbs should be separately pounded and sifted into fine powder. Mix them together. Administer three qian bi of the mixed powder with a vehicle. Use Xiang Chi (Prepared Soybean, *Glycines Soja Preparata*) one he, add seven he of hot water, and boil into a thin porridge-like consistency. Extract the juice and mix it with the powder. Take the mixture warm in one dose. If vomiting does not occur, gradually increase the dose slightly until vigorous vomiting is achieved.