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(Ye Yingchang's *Xiu Jin Zhong*) Treats dysentery with inability to eat (Jinkou Xili), where stool consists purely of blood and foul, putrid matter; accompanied by fever, a large pulse, anus flaccid like a bamboo tube, and various severe adverse symptoms. This formula can be the primary treatment for all such conditions. However, it is feared that if administered too late, the toxic pathogenic factors will have already damaged the Zang-Fu organs, making rescue difficult.

Coptidis Rhizoma (Huanglian) (stir-fried with wine, 2g)
Red Peony Root (Chishao Yao) (stir-fried with wine, 3g)
Aucklandiae Radix (Muxiang) (roasted, 1g)
Citri Reticulatae Pericarpium (Qingpi) (stir-fried with vinegar)
Magnoliae Officinalis Fructus (Zhi Qiao) (stir-fried with bran)
Arecae Semen (Binglang) (each 1.5g)
Carthami Flos (Honghua) (washed with wine, 1g)
Persicae Semen (Taoren) (dehulled and plumule removed)
Glycyrrhizae Radix et Rhizoma (Gancao) (roasted, 1.5g)
Atractylodis Macrocephalae Rhizoma (Baizhu) (soil-stir-fried)
Decoct in water and take orally.

If dysentery has just begun, use 1.5g for each of the above herbs.

The "Miraculous Formula for Treating Dysentery" originates from Master Ye. It adds Carthami Flos (Honghua), Persicae Semen (Taoren), Coptidis Rhizoma (Huanglian), and prepared Rheum Palmatum Rhizome Charcoal (Diyutan) to Dongfeng San. This formula is an augmented version of Dongfeng San, surpassing its predecessor, which is truly praiseworthy.

The main action of the formula is to attack and eliminate pathogenic factors. In treating dysentery... [Text fragment] ...pathogenic factors... also...

(Wang Ang's *Yi Fang Ji Jie*) Treats disorders caused by summer-heat and dampness.
Wuling San (Five-Ingredient Powder with Poria) added with Cinnabar (Zhusha).

Treats disorders caused by cold-dampness.
Wuling San (Five-Ingredient Powder with Poria) added with Atractylodis Rhizoma (Cangzhu).

Treats jaundice.
Wuling San (Five-Ingredient Powder with Poria) added with Artemisiae Scopariae Herba (Yinchen Hao).

(Wang Ang's *Yi Fang Ji Jie*) Treats thirst occurring without illness, or thirst persisting after recovery from illness.
Wuling San (Five-Ingredient Powder with Poria) added with Ginseng Radix et Rhizoma (Renshen). (If Licorice Root (Gancao) is also added, it is also called Chunze Tang.)

Wuling San (Five-Ingredient Powder with Poria) treats Taiyang Fu syndrome. (Wang Haogu in *Ci Shi Nan Zhi* stated: "Wuling San belongs to purgative formulas; it is a purgative for Taiyang interior syndromes. If Taiyang disease presents with difficulty in urination, Wuling San is indicated; if urination is free, it should not be used.") Cinnamon Twig (Guizhi), Atractylodis Macrocephalae Rhizoma (Baizhu), Alisma Rhizoma (Zexie), Polyporus (Zuling), and Poria (Fuling). After taking the powder, drink plenty of warm water to induce slight sweating, thereby resolving both exterior and interior simultaneously. Drinking warm water after administration helps disperse Qi in Ying and Wei, allowing slight sweating to achieve dual resolution of exterior and interior. (Difficulty in urination accompanied by thirst indicates water qi stagnating in the chest. If dryness in the Stomach causes thirst, this is a deficiency of fluids; providing water cures it, indicating Baihu Tang. Difficulty in urination with thirst indicates water retention; promoting diuresis cures it, indicating Wuling San.) Vomiting immediately after drinking water is named Shui Ni (Water Reversal). (Water in the chest cannot accommodate new intake, hence vomiting upon ingestion. Considering these together clarifies matters. Note: The Wuling San pattern includes one description stating "Taiyang disease with floating pulse, difficulty in urination, slight fever, and thirst," and another stating "Wind-stroke with fever, no irritability, desire to drink water, and vomiting immediately after drinking." Comparing these two confirms that Wuling San is designed for diuresis, not for treating irritability and thirst.) Therefore, Wuling San (San) is used to unblock the water passages; otherwise, how could irritability and thirst be alleviated? (Vaporization of water qi causes irritability and thirst. Using Wuling San to promote diuresis removes the water, thus resolving irritability and thirst. Treating disease requires addressing the root cause. If irritability and thirst are not due to water qi, can Wuling San treat them?) Body pain and Huoluan (acute gastrointestinal disorder) must distinguish between cold and heat, and the movement of exterior-interior Yin-Yang. (For Huoluan with body pain, distinguish cold and heat syndromes: If heat predominates and there is desire to drink water, Wuling San is suitable to harmonize the Taiyang exterior and interior; if cold predominates and there is no desire to drink water, Lizhong Wan is suitable to regulate the Yin-Yang of the Middle Jiao organs.) If Cinnamon Twig (Guizhi) is replaced by Cinnamon Bark (Rougui)... (This originally represents one formula with two methods. For treating Cold Damage, Guizhi is used; for other cases, Rougui is used, distinguishing the presence or absence of an exterior syndrome.) Vomiting saliva/phlegm, vertigo, and palpitations allow the water pathogen to act unchecked. (Palpitations below the umbilicus, vomiting of saliva/phlegm, indicate water qi counterflowing upward to the head, preventing Jing-Qi from distributing upwards. Only by promoting diuresis will vertigo, palpitations, and vomiting of saliva cease.) Effectively eliminating internally adhering water pathogens, and even edema overflowing into the skin muscles is effective. (Treating internally adhering water pathogens is indeed appropriate; even edema resulting from interior water seeping into muscles is effectively treated.) Removing Cinnamon changes the name to Siling San (Four-Ingredient Powder); taking it for thirst brings peace. (Zhou Yangjun said: "If there is only difficulty in urination and thirst, using Siling San alone is sufficient." Because there are no exterior symptoms like aversion to cold, fever, or body pain, Guizhi is unnecessary; because there are no interior symptoms like vertigo, palpitations, or vomiting of saliva, Rougui is unnecessary.) Cinnabar clears heat, Atractylodis Rhizoma (Cangzhu) dries dampness, and Yinchen Hao treats jaundice. (Wuling San added with Cinnabar to clear heat is named Chensha Wuling San; added with Cangzhu to overcome dampness, named Cangzhu Wuling San; added with Yinchen Hao to treat jaundice, named Yichen Wuling San; all retain the name Wuling San.) Chunze Tang added with Ginseng makes the name easy to understand; it can calm thirst before and after illness. (Wuling San added with Ginseng takes the meaning from the ancient poem "Spring water fills the ponds and marshes," explicitly stating that this decoction treats thirst caused by water retention in the chest. One reason is pre-existing deficiency of Jin-Qi before illness; the other is incomplete recovery of Jin-Qi after illness. Thus, Ginseng is added to generate Jin and tonify Qi.) Wuling San is a specialized agent for promoting diuresis; only as a powder can it distribute water essence. (Wuling San is a specialized diuretic. Taking it as a powder allows it to remain in the chest, slowly circulate through the meridians, transport to the Spleen and Lung, and descend to the Bladder, distributing water essence throughout. As meridians function together, water is completely eliminated without injuring Jin-Ye. This is Zhang Zhongjing's subtle intent.) Calming the water pathogen exhausts it from below. (Xiao Qinglong Tang treats turbulent, counterflowing water, so it uses sweating to dissipate it; Wuling San treats static, non-flowing water, so it guides it out from below.) Transforming into decoction rarely yields efficacy, as evaluated since ancient times. (Xu Lingtai in *Gui Fan* stated: "This is a powder formula. When modern practitioners use it as a decoction, it often lacks efficacy." One should ultimately follow the ancient method; users please exercise caution.)