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The *Daquan* (Compendium of Great Health) states: Dysentery occurring postpartum is caused by rising and moving too early, allowing cold wind to enter the intestines and stomach due to deficiency, or by consuming raw, cold, and indigestible foods that damage the Stomach. All these conditions lead to profuse watery diarrhea, which may severe into dysentery. If blood seeps into the intestines, it becomes bloody dysentery, which is difficult to treat; this is commonly referred to as "postpartum dysentery." When affected by cold, the stool is white or resembles fish brains; when affected by heat, it is yellow-red or presents as sudden hemorrhage. If cold and heat pathogens contend with each other, red and white dysenteric stools are passed, or pus and blood are mixed. If green dysenteric stools are passed, it indicates extreme cold. If food intake ceases, accompanied by unceasing day-and-night diarrhea, leading to emaciation and weakness, it is termed "deficiency-emaciation dysentery" (Xu Lei Xia Li). Additionally, red and white dysentery caused by the stagnation of Qi and Blood postpartum is called "Qi dysentery" (Qi Li). The treatment principles are: for heat patterns, use cooling methods; for cold patterns, use warming methods; for contending cold and heat, use harmonizing methods; for slippery/uncontrolled discharge, use astringent methods; for deficiency-emaciation, use tonifying methods; for the inability to distinguish water and grain, promote diuresis. If the parturient has a hot temperament and cannot relax, her Qi mechanism must be smoothed, ensuring stability. This condition should be cross-referenced with the section on Diarrhea.

The *Daquan* further states: Women's milk is transformed from Qi and Blood. Its failure to flow is caused by physical weakness and disharmony of the meridians. If there is breast distension and pain with milk stasis after childbirth, this occurs in young women during their first lactation due to internal Wind-Heat. Medications that clear heat and regulate Qi should be administered to promote milk flow. If a woman who has given birth multiple times still lacks milk, it is due to the depletion of Body Fluids; nourishing Yin medications should be taken to assist. If milk exists but is scanty, medications that unblock the meridians should be used to facilitate flow, supplemented by soups or broths as guides. This is because women's milk originates from the Chong Mai (Penetrating Vessel), which connects with the Stomach Meridian. According to the *Sanyin Fang* (Formulas of Three Causes), there are two types of milk stasis: one where abundant Qi and Blood cause obstruction and blockage, and another where deficient Blood and weak Qi cause涩滞 (stagnation). Deficient patterns require tonification, while excess patterns require dispersion (for excess patterns, use Tongcao, Lulü, and Tugua Gen; for deficient patterns, use refined Zhongru Fen, pig trotters, and crucian carp). Xue Ji stated: For those whose Qi and Blood are weak and fail to transform milk, strengthen the Spleen and Stomach. For those whose anger moves Liver and Gallbladder fire, causing breast swelling and milk stasis, clear Liver Fire. For those lacking milk after multiple births or suffering from constipation, nourish the source of transformation. Milk flowing spontaneously before delivery is called "Ru Qi" (Milk Weeping).

Small superficial heat sores appearing on the nipple, oozing yellow fluid upon scratching, spreading gradually, resistant to all treatments, and persisting for years, are named "Du Ru" (Jealous Breast). If external pathogenic factors invade and contend with Qi and Blood, symptoms include high fever, intense thirst requiring drinking, firm rigidity, pulling pain, and tenderness such that the area cannot be touched. If distress arises from not being favored by parents-in-law, leading to accumulated sorrow and anger, causing Spleen Qi to become turbid and Liver Qi to flare horizontally, hidden nodules like turtle eggs form, painless and itchless, only ulcerating into sores after ten or more years; this is named "Ru Yan" (Breast Rock/Cancer). (Zhong Gui noted: Before ulceration forms, applying an Xiangfu cake is highly effective. The formula consists of 1 liang of fine Xiangfu powder and 2 fen of Shexiang, ground together. Two liang of Pugongying is decocted in wine, strained, and the wine is used to mix the medicine. Apply warm compresses to the affected area several times daily. If ulceration has already occurred, surgical treatment is required. Notably, since the etiology stems from Liver-Spleen depression, emotional regulation is paramount. Decoctions can alternate between Xiaoyao San and Guipi Tang. As for how to achieve emotional joy, reading Buddhist and Daoist classics to understand life philosophy is the best strategy.)