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Ancient texts state that night sweats (Dao Han) belong to Yin deficiency, while spontaneous sweating (Zi Han) is due to Yang depletion and loose defensive exterior (Yang Qi guards the exterior and maintains consolidation). For Yin deficiency, Liuwei Dihuang Tang combined with Danggui Liuhuang Tang may be used; for Yang deficiency, formulas containing Renshen (Ginseng Radix et Rhizoma) and Fuzi (Aconiti Lateralis Radix Praeparata), etc., are appropriate. The principle of mutual root between Yin and Yang is profound and should be thoroughly investigated through extensive study.

Regarding Stroke Syndrome (Zhong Feng Zheng), I discussed it in detail in *Jinkui Qianzhu* (Annotated Brief Commentary on the Golden Cabinet), but it is difficult to explain to beginners. You Zaijing authored *Jinkui Xindian* (Heart Classic of the Golden Cabinet), demonstrating卓越 expertise as a master scholar. His subsequent work, *Jinkui Yi* (Wings of the Golden Cabinet), completely lost the original essence. Although his general discussion on stroke differs somewhat from *Jinkui Yaolue* (Essential Prescriptions of the Golden Cabinet), his collection of medical theories provides a viable path for practitioners. Herein, I rhyme the original theory to facilitate memorization for beginners.

*Jinkui Zhenyan Lun* states: Heaven has Eight Winds (the winds from the eight directions: East, West, South, North, Southeast, Southwest, Northeast, Northwest); the Channels have Five Winds ("Channels" refer to meridians; "Five Winds" refer to wind affecting the five zang organs). Pathogenic factors induced by the Eight Winds become channel winds, touching the five zang organs and causing disease via pathogenic qi. Zhang Zhongjing's *Jinkui Yaolue* strictly follows this view, referring exclusively to external pathogens. You Shi's *Jinkui Yi*, however, combines internal and external, excess and deficiency into a unified discussion, suggesting that *Jinkui Yi* might be a posthumous forgery or pseudonymous publication.

The detailed discussions on various types of stroke are complex and numerous; the main point lies in distinguishing True Stroke (Zhen Zhong) from Pseudo-Stroke (Lei Zhong). True stroke is caused by thief wind and pathogenic qi directly striking the body; pseudo-stroke arises from phlegm, fire, food stagnation, and qi obstruction. If one already possesses internal Liver Wind (as stated in *Neijing*: "Wind qi communicates with the Liver"; and "All wind diseases involving tremors and dizziness belong to the Liver"), both true and pseudo strokes originate from this. Without internal Liver Wind, these would merely be other diseases, how could there be sudden collapse, hemiplegia, facial deviation, or limb traction? The zang organs and channels differ, and the depth of disease varies, making treatment difficulty distinct. Disease in the collaterals manifests as mouth and eye deviation; being in the collaterals indicates a lighter condition, still relatively easy to treat. Inability to move hands and feet indicates disease in the channels; disordered speech suggests discussing from the perspective of fu organs. Both channel and fu diseases present with sudden collapse; after collapse, one must clarify the origin. If mental clarity remains and the patient can recognize others, the disease is in the fu; if consciousness is lost resembling dementia, the disease is in the fu. Zang organ disease is the most severe and deepest, presenting with flaccid lips, loss of voice, complete deafness, blurred vision, urinary incontinence, and snoring. If half of these six signs appear, death is imminent. Channel, fu, and zang diseases may overlap; clinical diagnosis requires careful identification and intuitive understanding. Furthermore, one must examine excess and deficiency to grasp the general principle, differentiating between Closed Syndrome (Bi Zheng) and Collapsing Syndrome (Tuo Zheng) (detailed in the Song of Eight Methods). Collapsing syndrome requires securing and consolidating; Closed syndrome requires opening and releasing. This is a critical juncture determining life and death, not to be trifled with. The theory of Eight Methods originated with You Zaijing; it is accessible and should not be discarded.