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Treats vomiting with the pathology located above the diaphragm; if the patient subsequently desires water, it indicates resolution, and water should be provided promptly. If the desire for water persists, this formula is indicated.
Zhu Ling (Polypori Sclerotium), Fu Ling (Poria), Bai Zhu (Atractylodis Macrocephalae Rhizoma) (equal parts).
Crush the above three herbs into a powder. Administer one Fang Cun Bi (a traditional Chinese measuring spoon, approx. 2-3 grams) with drink, three times daily.

This is Zhu Ling San (Polyporus Powder) with Zhu Ling removed and Fu Ling increased to three times the amount, plus one piece of Rong Yan (Halitum, rock salt) the size of a bean, used to treat difficulty in urination.

Used for Tai Yang disease (Exterior syndrome of the Tai Yang channel) or warm diseases where both exterior and interior patterns remain unresolved, presenting with headache, fever, dry mouth and throat, irritability, thirst, desire to drink, or vomiting immediately after drinking water, as well as difficulty in urination and unquenchable thirst. It is also indicated for Huo Luan (Cholera-like syndrome) with vomiting and diarrhea, restlessness, intense thirst, and excessive drinking. Furthermore, it treats thin individuals who experience palpitations below the umbilicus, salivation, dizziness, and vertigo due to fluid retention.
Fu Ling (Poria) (18 zhu, peeled, sweet, neutral), Zhu Ling (Polypori Sclerotium) (18 zhu, peeled, sweet, neutral), Bai Zhu (Atractylodis Macrocephalae Rhizoma) (18 zhu, sweet, neutral), Ze Xie (Alismatis Rhizoma) (1 liang 6 zhu half, sour).
Crush the above five herbs into a powder. Mix with rice water and administer one Fang Cun Bi, three times daily. Drink plenty of warm water to induce sweating for recovery, and follow these care instructions. Cheng Wuji stated: "Ling" means command; it circulates body fluids and subdues kidney pathogens, acting specifically as a commander, which is the merit of Ling. He further said: The character "Gan" (Sweet) consists of "mouth" and "one"; Dan (Bland) is equivalent to "one". Extreme sweetness turns into... (The flavors are all sweet and neutral, moistening deficiency and dryness while promoting fluid metabolism. Salty flavor drains downward and belongs to Yin; the saltness of Ze Xie drains retained water. Pungent and sweet flavors disperse from the exterior. Promoting bowel movement is called purging; promoting urination is called渗泄 (leaching out dampness). These are descending drugs for the Tai Yang Bladder channel. In Tai Yang disease, when the pathology is high, the pathogen is expelled through sweating.)

(This is Wu Ling San (Five-Ingredient Powder with Poria) without Rou Gui (Cinnamon Twig), used to treat watery diarrhea and difficulty in urination caused by internal dampness.)

This is Wu Ling San (Five-Ingredient Powder with Poria) with Yin Chen (Artemisiae Scopariae Herba) added. One variation removes Rou Gui (Cinnamon Twig) and adds Yin Chen (Artemisiae Scopariae Herba), named Jia Jian Wu Ling San (Modified Five-Ingredient Powder with Poria), treating jaundice due to Tai Yang disease with difficulty in urination.

This is Si Ling San (Four-Ingredient Powder with Poria) without Bai Zhu (Atractylodis Macrocephalae Rhizoma), adding E Jiao (Asini Corii Colla) and Hua Shi (Talcum), treating floating pulse, fever, thirst, and difficulty in urination.

This is Wu Ling San (Five-Ingredient Powder with Poria) without Zhu Ling (Polypori Sclerotium), adding Sheng Jiang (Zingiberis Rhizoma Recens) and Gan Cao (Glycyrrhizae Radix et Rhizoma), treating gastric reflux vomiting with thirst and desire to drink.

This is Wu Ling San (Five-Ingredient Powder with Poria) with Che Qian Zi (Plantaginis Semen), Sheng Jiang (Zingiberis Rhizoma Recens), and Deng Xin Cao (Junci Medulla) added, treating counterflow vomiting, damp-type diarrhea, and profuse discharge due to latent summerheat, accompanied by irritability, thirst, or urinary obstruction and strangury.

This is the base formula with Shan Zhi Zi (Gardeniae Fructus) added, treating infantile umbilical hernia, mixed with honey water and Deng Xin Cao (Junci Medulla) for administration.

This is the base formula with Hai Jin Sha (Lygodii Spora), Shao Yao (Paeoniae Radix Alba/Rubra), Gan Cao (Glycyrrhizae Radix et Rhizoma), Hua Shi (Talcum), and Shi Wei (Pyri Folium) added, treating the five types of Lin syndrome (Strangury).