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(Zhang Zhongjing) Treats Yangming disease in Shanghan (Cold Damage), characterized by aversion to cold being absent, but a preference for coolness, thirst, dry stools, delirium, and abdominal fullness, indicating dryness and excess in the Middle Jiao; or abdominal fullness persisting after emesis. (When pathogenic factors are at the Exterior, symptoms include fever, sweating, and aversion to cold. When pathogenic factors have entered the Interior, Exterior signs cease, hence no aversion to cold; there is fever with a preference for coolness. Excessive sweating leads to loss of body fluids, and heat enters the Interior, causing thirst and dry stools. Without water to control fire, dry feces accumulate internally, leading to visual hallucinations and delirium. If symptoms do not resolve after emesis and abdominal fullness persists, it indicates heat entering the Stomach. However, if there is fullness without significant pain, urgent purgation is inappropriate; therefore, a small amount of Tiaowei Chengqi Tang (Regulate the Stomach Order the Bowels Decoction) is given to harmonize the Stomach.) For cases of mental restlessness (Fan Xin) occurring without prior emesis or purgation: (Restlessness after emesis is internal heat restlessness; restlessness after purgation is deficiency heat restlessness; restlessness without emesis or purgation indicates stagnant heat in the Stomach.) Thirst syndrome, categorized as Middle Xiao (Middle Wasting-Thirst), characterized by excessive hunger and frequent urination.

Da Huang (Rhubarb Root and Rhizome, macerated in wine) 1 liang, Mang Xiao (Mirabilite) 1 liang, Gan Cao (Licorice Root, honey-fried) 5 qian. Take warm, in small amounts frequently.

Da Huang is bitter and cold, clearing heat and sweeping away excess accumulation; Mang Xiao is salty and cold, moistening dryness and softening hardness. These two herbs descend rapidly; therefore, Gan Cao, which is sweet and neutral, is used to moderate their action, preventing damage to healthy Qi.

Regarding the application principles of this formula: In Yang syndromes, if there is mental restlessness without emesis or purgation... (The original text contains fragmented sentences here). This is Zhang Zhongjing's ingenious method. Dachengqi Tang (Major Order the Bowels Decoction) governs all three Jiaos; Xiaochengqi Tang (Minor Order the Bowels Decoction) does not invade the Lower Jiao; Tiaowei Chengqi Tang does not invade the Upper Jiao.

Adding Dang Gui (Angelica Sinensis Root) and decocting with Sheng Jiang (Fresh Ginger) and Da Zao (Jujube Fruit) yields Danggui Chengqi Tang (Angelica Order the Bowels Decoction). (Liu Hejian) treats interior heat and fire stagnation, or dry and rough skin, or dry throat and nose, or constipation and difficult urination, where the pathology lies primarily in the Stomach.

(The following text consists of fragmented phrases regarding Ying level, Lung, constipation, fragile constitution, firmness, powder-like solidity, mysteries, preferences, sensations, desire for heat, resolution of syndromes, purity, origin, and the difficulty or ease of treating external pathogenic thieves. Diagnosis relies heavily on these distinctions. Unskilled physicians fail to understand this; regardless of whether the condition is new or old, deficient or excess, upon seeing fever, they indiscriminately use Wind-dispelling herbs to attack the Exterior. Upon feeling fullness and oppression, they indiscriminately administer herbs that attack the Middle and deplete Qi. If ineffective, they follow up with Da Huang, Zhi Shi (Immature Bitter Orange), and Hou Po (Magnolia Bark), insisting on achieving one bowel movement to demonstrate their skill. They fail to consider that heat becomes more intense when aided by Wind herbs, and Yin fluids are rapidly depleted by such coercion. How contrary this is to the intent of the sages!)