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The syndrome of hematemesis, epistaxis, and *bo jue* (syncope due to blood rebellion upward), if initial treatment with Xijiao Dihuang Tang (Rhinoceros Horn and Rehmannia Decoction) proves ineffective, is because although Rhinoceros Horn (*Xijiao*) and Rehmannia Root (*Dihuang*) possess the efficacy of cooling blood and stopping bleeding, their action is relatively slow. Whenever hematemesis is surging vigorously, the therapeutic principle should prioritize stopping bleeding. It is appropriate to use Chao Puhuang (Stir-fried Spore of Typha Pollen), Chao Cebaiye (Stir-fried Leaf of Platycladus Orientalis), and Zonghui (Charred Palm Fiber) as the main ingredients, assisted by Ziwan (Aster Root), Rhinoceros Horn (*Xijiao*), Rehmannia Root (*Dihuang*), and White Peony Root (*Baishao*). If the bleeding remains excessive and uncontrolled, Qingjin San (Clear Metal Powder) and Biyu Dan (Jade Green Pill) may be used; once the fire pathogen is descended, the blood will subside. If bleeding persists, Tongbian (Child's Urine) can be added. In extreme cases where blood surges so violently that decoctions cannot be retained, soaking both feet in hot wine is required to naturally guide the fire downward, allowing the bleeding to gradually cease, after which the aforementioned medications can be administered.

In my discussion on Lao Sou Syndrome (Chronic Cough due to Consumption), I have established four key manifestations as criteria. These four manifestations are: latent rebellious fire in the Lung, tenacious phlegm fixed in the diaphragm, susceptibility to non-seasonal exogenous pathogens, and frequent qi stagnation in the chest. Among these four, the latent rebellious fire in the Lung is primary, while the other three arise consequentially. The Lung serves as the canopy of the five zang organs, governing the regulation and distribution functions, inheriting the transformation of integrity and cleanliness. It transmits essence outward to the skin and hair and regulates water passages inward. Thus, the refined essences from food and drink, after vaporization by the Spleen's qi, are primarily directed by the Lung to nourish the seven orifices above, seal the bone marrow below, harmonize the blood vessels, and abundantly distribute throughout the body. Under such conditions, how could phlegm-saliva form? Only when the Lung is constrained by fire does its regulatory power fail, causing refined essences to fail to distribute up and down, remaining between the diaphragm and membrane, stagnating into phlegm. As phlegm ages, it becomes tenacious and insoluble, preventing qi from diffusing. Furthermore, the Lung governs the skin and hair and circulates defensive qi outward. If the qi is deficient and unable to defend the exterior, the six climatic factors can invade easily; the body becomes weak and difficult to resist, suffering damage frequently, leading to the original disease persisting while secondary pathogens take advantage. If the root is fire and the branch is wind, wind aids fire; clearing fire may stagnate qi, while dispelling wind may dry the nutritive level. If the root is fire and the branch is cold, cold and fire knot together; dispersing cold fans the fire, while descending fire causes cold contraction. If the root is fire and the branch is summerheat, they share the same qi; if the root is fire and the branch is dampness, they scorch each other. When deficiency consumption encounters such secondary pathogens triggering an attack, whether complicated by Shanghan (Cold Damage) or Nuli (Malaria and Dysentery), mild cases become severe, and severe cases become critical. Therefore, situations where the season arrives but the pathogen has not, or the pathogen arrives before the season, or the pathogen is excessive or insufficient upon arrival, all belong to deficient wind and thief pathogens, which must be urgently prevented. The chest is the region where the Heart and Lung intersect. When fire flares and attacks the Lung, qi cannot descend, resulting in qi stagnation. It is particularly inappropriate to use formulas for widening the chest and regulating qi to open it. In summary, once Lung qi is injured, myriad diseases arise like bees swarming: wind causes wheezing, phlegm causes coughing, fire causes hacking cough, and blood leakage causes spitting blood. This is because the Lung is a pure and empty organ, intolerant of even the slightest impurity, making it hard to protect and easy to injure. Therefore, at the initial stage of Heart-Kidney Non-Interaction, although fire may assault Metal (Lung), Water (Kidney) can save its mother (Metal). If Metal is not severely damaged, one should preemptively guard and maintain the clear and descending function to prevent gradual deterioration. How much more so when Lao Sou Syndrome has already formed; one must certainly treat by preserving the Lung!