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The *Jin Gui Yao Lue* (Essential Prescriptions of the Golden Cabinet) states: A pulse that is faint and rapid indicates stroke caused by wind. It also states that headache with a slippery pulse indicates stroke, as the pulse associated with wind pathogenic factors is typically deficient. Furthermore, a cun-kou pulse that is floating and tight, or one that is slow and delayed, are all referred to as stroke.

The *Mai Jing* (Pulse Classic) states: A floating and large pulse indicates wind. If it is also floating and moderate, accompanied by numbness of the skin and flesh, this indicates wind-cold invading the muscles. A pulse that is slippery, floating, and scattered indicates flaccidity paralysis due to wind. When examining patients suffering from wind-induced numbness and flaccidity tetany, those with a deficient pulse may survive, while those with a firm, urgent, and rapid pulse will die.

Symptoms such as straightened hair, foaming at the mouth, shaking of the head, upward deviation of the eyes, staring fixedly, open mouth, relaxed hands, closed eyes, urinary incontinence, loss of consciousness, or a face red as if painted (floating yang), or a blue-black complexion on the head and face, sweat beading like pearls, and a snoring-like voice, are all considered incurable critical conditions.

The *Bing Ji Yao Yao* (Essentials of Pathogenesis) in *Wei Sheng Bao Jian* (Treasures for Maintaining Health) states: Wind is fundamentally heat; when heat prevails, wind moves. One should use stillness to overcome dryness, which is the method of nourishing blood. Treatment requires avoiding excessive sweating and excessive purgation. Excessive sweating depletes Wei Qi (Defensive Qi), and excessive purgation damages Ying Qi (Nutritive Qi). Although treatment should focus on the meridians, and there are taboos against sweating and purging, there is a distinction between Zhong Zang (Stroke involving the Zang organs) and Zhong Fu (Stroke involving the Fu organs). Zhong Fu manifestations often affect the four limbs, presenting with exterior syndrome signs such as a floating pulse, aversion to wind and cold, limb stiffness, and numbness. Zhong Zang manifestations often obstruct the nine orifices, presenting with flaccid lips and aphonia, deafness, nasal congestion, blurred vision, and constipation. Zhong Fu is suitable for diaphoresis (sweating therapy), while Zhong Zang is suitable for purgation. Once the interior and exterior are harmonized, treatment should focus on the meridians, using substantial medicinal tonification to nourish the body.

The *Yi Xue Fa Ming* (Inventions in Medicine) states: Disease in the blood vessels and collaterals leads to facial paralysis (deviation of the mouth and eyes); disease in the Fu organs leads to limb joint dysfunction; disease in the Zang organs endangers life. The treatments for these three categories differ. For disease in the blood vessels and collaterals, where exterior Six Channels (Liu Jing) patterns are present, Xiao Xu Ming Tang (Minor Decoction to Extend Life) should be used with modifications. For disease in the Fu organs, where there is obstruction of bowel and bladder movements, San Hua Tang (Three Transformations Decoction) or similar formulas should be used to promote unblocking. If there are no exterior Six Channels patterns and no internal obstruction of bowel and bladder movements, Da Qin Jiao Tang (Major Gentian Decoction) or Qiang Huo Yu Feng Tang (Notopterygium Decoction for Expelling Wind) should be used primarily to nourish blood and promote qi circulation.

Commentary: This classification divides symptoms into exterior, interior, and meridian syndromes, establishing sweating, purging, and nourishing methods. This can be said to have opened the eyes and ears of later generations. However, practitioners should carefully examine the formulas used.

The *Yi Xue Fa Ming* further states: In treating wind, one should employ "treating obstruction with unblocking agents" (Tong Yin Yong Tong), relying solely on dispersing and scattering methods. One should not recklessly use bitter-cold herbs to purge internally, nor use heavy sedative and descending drugs such as Long Nao (Borneol), She Xiang (Musk), Zhu Sha (Cinnabar), and Niu Huang (Calculus Bovis) to drain downward.

Commentary: This statement emphasizes that wind is an external pathogen and is suitable for dispersion only when the wind is still at the exterior level. Similar to how Tai Yang wind-cold transmits to the Stomach, purgation is not entirely forbidden. The use of the character "bian" (convenient/early) implies acting too early or hastily, and "wang" (reckless/wrong) implies purging when it is inappropriate, revealing the author's intent.