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Zhang Zhongjing's *Shanghan Lun* (Treatise on Cold Pathogenic Diseases) is worthy of emulation in every chapter. However, as it was completed at the end of the Han Dynasty, numerous errors occurred during transmission and copying, and bamboo slips were often misplaced. For instance, regarding diarrhea and vomiting in the text, the Shizao Tang (Ten-Date Decoction), a harsh purgative formula, is used to attack them. For epistaxis (nosebleed) caused by excessive Yang heat, Mahuang Tang (Ephedra Decoction) is used to induce sweating. After inducing sweating, if the disease resolves but aversion to cold remains, there is an extra "not" character within "disease resolves." Regarding epigastric fullness and stuffiness that feels soft upon palpation, the character "soft" lacks a preceding "not." Various scholars following the classics for annotation are forced to resort to far-fetched interpretations, causing this rare, invaluable book of the ages to fail to be transmitted authentically to the world, which is truly regrettable! Now, I list the corrections one by one: text within [ ] indicates corrected content; text within ( ) indicates original text that has been moved from above or below, inserted from elsewhere, or added where missing. Text enclosed in { } indicates deletions. Furthermore, there are thirty-five sections with gross errors where symptoms do not match pulses, and medicines do not fit diseases. Although these formulas exist, such diseases are rare in practice; even if they occur, these medicines are difficult to apply. Following errors without correction aids no practical use. Yet, there are still valuable sentences within. Therefore, I have not altered the original text in each chapter but have added strong annotations, copied the original text again, and appended it to the end of the volume to record doubts.

Guizhi Tang (Cinnamon Twig Decoction) Formula
Guizhi (Cinnamon Twig) ({remove bark} 3 liang) Shaoyao (Peony Root) (3 liang) Gancao (Licorice Root) (honey-fried, 2 liang) Shengjiang (Fresh Ginger) (sliced, 3 liang) Dazao (Jujube) (broken open, 12 pieces)
[Commentary] In the Guizhi Tang formula, the original text contains the characters "remove bark." The flavor and aroma of Cinnamon Twig are entirely contained in its bark; if the bark is removed, it becomes dead wood, how could it retain the efficacy of releasing the muscle layer and inducing sweating? It should be deleted; subsequent cases follow this example.

If the pulse is harmonious, the patient is greatly restless, and the inner canthus of the eyelids appears yellow, this indicates the disease is about to resolve.
[Commentary] The character "lian" (face) should be "jian" (eyelid). "Jian" refers to the margin of the eyelid. Writing it as "lian" is incorrect and should be corrected.

In Taiyang Wind Strike syndrome, if there is no diarrhea and vomiting, and the exterior syndrome has resolved, only then can internal attack be performed. If the patient sweats, has intermittent fever, headache, epigastric hardness and fullness radiating pain to the hypochondrium, dry retching, shortness of breath, sweats without aversion to cold, this indicates the exterior is resolved but the interior is disharmonious; Shizao Tang (Ten-Date Decoction) governs this.
[Commentary] The character "xia" (down/below) in "xiali" (diarrhea) should be "bu" (not). If it were "xia," what logic would justify using the harsh purgative Shizao Tang for simultaneous upper vomiting and lower diarrhea? Only when bowel movements are obstructed, accompanied by epigastric hardness, fullness, and pain, does it belong to interior disease; when urination is obstructed, accompanied by vomiting, retching, and shortness of breath, does it belong to fluid retention disease, allowing for harsh purgation. The character "zuo" (act/start) in "fazu" (onset/attack) should be "re" (heat), aligning with the meaning of Taiyang Yang pathogen and heat-fluid. Without heat but with sweating, it belongs to Shaoyin Yin pathogen and cold-fluid, which is a Zhenwu Tang (True Warrior Decoction) pattern. Moreover, the character "zuo" does not connect with the context above and below and should be corrected.

In Taiyang disease, after purgation, if the pulse is floating and chest binding (Jie Xiong) does not form, this indicates the disease is about to resolve. If the pulse is rapid and intermittent (Cu), chest binding will definitely form; if the pulse is fine and rapid (Xi Shu), throat pain will definitely occur; if the pulse is wiry (Xian), bilateral hypochondriac stiffness will definitely occur; if the pulse is tight (Jin) [original note: fine and rapid], headache will not cease; if the pulse is deep and tight (Chen Jin), vomiting will definitely occur; if the pulse is deep and slippery (Chen Hua), hot diarrhea will occur; if the pulse is floating, rapid, and slippery (Fu Shu Hua), hematochezia (blood in stool) will definitely occur.
[Commentary] "Pulse Cu" should be "pulse Fu" (floating), to align with the meaning of no chest binding and impending resolution. "Pulse Fu" should be "pulse Cu" (rapid and intermittent), to align with the meaning of chest binding and chest fullness in the treatise. "Pulse Jin" (tight) should be "pulse Xi Shu" (fine and rapid), and "pulse Xi Shu" should be "pulse Jin," to correspond to the primary pulses of the two meridians in the treatise. "Pulse Fu Hua" (floating and slippery) should be "pulse Shu Hua" (rapid and slippery); floating and slippery is the pulse for Baihu Tang (White Tiger Decoction) patterns, while rapid and slippery is the pulse for passing pus and blood. All should be corrected.

In Taiyang disease, after two or three days, if the patient cannot lie down but wishes to rise, the epigastrium must be knotted. If the pulse is weak and faint, this indicates pre-existing cold-fluid. If purgation is wrongly applied,
if the diarrhea stops, chest binding will definitely form; if it does not stop, and diarrhea recurs on the fourth day, this forms Xiere Li (diarrhea accompanying heat).
[Commentary] The character "zhi" (it) in "si ri fu xia zhi" (fourth day again purge it) should be "li" (diarrhea). Since the text previously stated diarrhea had not stopped, how could purgation be repeated? It should be corrected.

After purgation in Taiyang disease, if the pulse is rapid and intermittent and there is chest fullness, Guizhi Qu Shaoyao Tang (Cinnamon Twig Decoction without Peony Root) governs this. If (sweating occurs and there is) slight aversion to cold, add Fuzi (Prepared Aconite Root) to the formula without Peony Root to govern this.
[Commentary] Above "slight aversion to cold," the characters "sweating occurs" should be added. Without "sweating occurs," the exterior would not be resolved, and there would be no rationale for adding Aconite; it should be supplemented.

In Taiyang disease, if the pulse is floating, moving, and rapid (Dong Shu): floating indicates wind, rapid indicates heat, moving indicates pain, {rapid indicates deficiency}, headache and fever occur, slight night sweating happens, yet there is aversion to cold; this indicates the exterior is not resolved. If the physician wrongly applies purgation, the moving and rapid pulse changes to slow (Chi). There is resistance and pain inside the diaphragm, the stomach is empty and deficient, external pathogens disturb the diaphragm, causing shortness of breath and irritability, mental restlessness (Ao Nu), internal sinking of Yang Qi, leading to epigastric hardness, forming chest binding, governed by Daxiexiong Tang (Great Trapping-in-the-Chest Decoction). If chest binding does not form, but there is sweating only on the head, with no sweat elsewhere, stopping at the neck, combined with dysuria, jaundice will definitely develop.
[Commentary] The sentence "rapid indicates deficiency" is a superfluous text (Yanwen) and should be deleted.

For Cold-Excess Chest Binding without heat signs, administer Sanwu {Xiao Xiexiong Tang} Baisan (Three-Material White Powder). {Can also be taken}.
[Commentary] "Administer Sanwu Xiao Xiexiong Tang" should be "Sanwu Baisan." The four characters "Xiao Xiexiong Tang" (Small Trapping-in-the-Chest Decoction) are due to misplaced bamboo slips. Jiegeng (Platycodon Root), Beimu (Fritillaria Bulb), and Badou (Croton Seed) are all white in color, fitting the meaning of Sanwu Baisan; it is warm and attacking, matching the pathology of cold-excess. Xiao Xiexiong Tang consists of Gualou (Trichosanthes Fruit) and Huanglian (Coptis Rhizome), both cold-natured substances; how can they treat cold-excess chest binding? The three characters "can also be taken" are also superfluous text and should be deleted.