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The Inspector of Langyuan possessed many secret medical manuscripts, among which the *Jifeng Puji Fang* (Chicken Peak Universal Relief Formulas) was particularly rare in circulation. Therefore, it was reprinted. Upon completion, he commissioned me to write a preface. Lacking knowledge of medicine, what significant insights could I possibly offer? I shall merely attempt a few words to fulfill the request. Written by Gu Qianli in the fifth month of summer, in the year Wuzi (1828), during the Daoguang reign period.

Liu Ziyi stated: The classics mention the syndrome of "Ji Feng" (Acute Wind), the syndrome of "Cu Zhong Feng" (Sudden Stroke), and the syndrome of "Feng Fei" (Wind Paralysis). In principle, there is no distinction between Ji Feng and Cu Zhong Feng; however, when referring to the specific manifestation of wind, it is termed Ji Feng.

Feng Fei is characterized by the absence of body pain, with the pathology located in the Zang organs, resulting in the inability to control the four limbs while mental clarity remains intact. If one suddenly loses the ability to move an arm, it is diagnosed as Feng Fei. If the patient can speak and retains some sensation, treatment is feasible; if speech is lost, the condition is incurable.

The classics describe the syndrome of "Feng Jing" (Wind Spasm) and the syndrome of "Feng Jiao Gong Fan Zhang" (Wind-induced Opisthotonos). "Jing" refers to bodily rigidity and clenched jaws, resembling epilepsy. "Jiao Gong Fan Zhang" refers to the backward arching of the waist and back, preventing flexion or extension. These two conditions...

The classics refer to "Tui Feng" (Leg Wind) as a condition where the four limbs cannot be controlled, accompanied by body pain and muscle weakness. This arises because wind pathogens invade the muscles and flow into the blood vessels, subsequently transforming into water qi...

"Dian" (Mania/Depression) manifests as a loss of mental stability and disordered speech; in severe cases, patients may climb high places, curse, or run wildly. "Xian" (Epilepsy) involves sudden collapse, tongue biting, foaming at the mouth, and convulsions of the hands and feet, sometimes producing sounds resembling domestic animals...

As for "Feng Xuan" (Wind Vertigo), the disease originates from insufficiency of Heart Qi and accumulated heat in the chest, leading to symptoms such as facial heat induced by wind. Phlegm-heat interacts to stir internal wind, and the confusion of wind and Heart leads to chest stuffiness and dizziness. For brain-related disorders, acupuncture is appropriate...

"Bì" (Bi Syndrome) is formed by the combined invasion of wind, cold, and dampness. Its manifestations include numb, heavy muscles or pain. This occurs due to deficiency in the human body and open cou-li (pores/skin texture), allowing wind pathogens to invade. Its presentation... includes waking with fright, sensations in the epigastrium... lethargy, progressing to Bone Bi, with rapid onset indicating...

It is commonly believed that paralysis on the left is called "Tan" and on the right is called "Huan," but this view is particularly incorrect. Why? Since the classics already describe the syndrome of hemiplegia (partial half-body immobility), the syndrome of Tan-Huan should be named for cases affecting both sides. Furthermore... Yang Qi... Bone Wind.

The classics mention the syndromes of "Pian Feng" (Partial Wind), "Ban Shen Bu Sui" (Half-Body Immobility), and "Feng Pian Ku" (Wind Atrophy). These three are largely similar, yet ancient texts treated them as separate chapters. Generally, when referring to wind, it is called Pian Feng... essence... muscle...