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Regarding the method of treating diseases through *Zhuyou* (incantation and ritual), in the "Zeifeng" (Thief Wind) chapter of the *Huangdi Neijing* (Yellow Emperor's Inner Canon), Qibo stated: Ancient shamans knew how to overcome various diseases; by first knowing the origin from which the disease arises, one could cure it through Zhuyou.

In the "Yijing Bianqi" (Transfining Spirit and Changing Qi) chapter, Qibo said: In ancient times when people were tranquil and indifferent, pathogenic factors could not penetrate deeply, so diseases could be treated by transferring spirit and altering qi through Zhuyou. Nowadays, people are affected by deficient evils and thief winds, which lodge internally in the five zang organs and bone marrow, and externally injure orifices, skin, and muscles. Therefore, minor illnesses inevitably become severe, and major illnesses inevitably lead to death; thus, Zhuyou cannot cure them. From this perspective, the method of Zhuyou is merely to guide the patient's will and qi according to the origin of the condition, thereby dispelling doubts and resolving confusion. This may have some efficacy based on spiritual resonance only when the illness is mild. If the pathological mechanism is complex or the illness is severe, it will certainly not be effective. The ancient methods are no longer transmitted today. The talismanic and incantatory arts circulated recently occasionally show slight effects, but for serious illnesses, they produce no results at all. This was already the case in Qibo's time, let alone in later generations. It is acceptable to preserve the records without further discussion.

The diseases of birds and beasts arise less often from the seven emotions (joy, anger, worry, thought, sadness, fear, and fright) and more often from wind-cold and dietary factors; therefore, treatment methods are easier than those for humans. Although the zang-fu organs and meridians of animals differ from those of humans, their reception of heaven-earth blood and qi is not significantly distant, so their medication is roughly similar to that used for humans. However, their constitution is coarse and their blood turbid, and their diet differs from human food; therefore, drugs must have specific indications and cannot simply use human treatments for animals. For example, since cattle and horses eat grass, herbs that digest grass should be used; since dogs and pigs eat bran and beans, herbs that digest bran and beans should be used. There are also specific substances exclusive to certain animals, such as Wuyao (Linderae Radix) being suitable for cats, and Huangyao (likely referring to a specific herb like Sophorae Flavescentis Radix or similar context-dependent term) being suitable for horses. Furthermore, each species has unique diseases peculiar to itself, which require specific formulas for treatment. Other aspects are largely similar to human medicine. However, larger dosages and stronger formulations are necessary to achieve efficacy easily. Additionally, variations in seasonal climate and qi cause diverse changes, requiring modifications based on symptoms. This principle is broad, profound, and comparable to the art of treating humans. Today, even physicians treating humans are nearly extinct, let alone veterinarians.