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Wind is a yang pathogen. It only damages the three yang meridians (Taiyang, Yangming, Shaoyang). It does not transmit to the three yin meridians (Taiyin, Shaoyin, Jueyin). It transmits from Taiyang to Yangming, and from Yangming to Shaoyang. There are also cases where the disease remains in one meridian from beginning to end. This is unlike Cold Damage (Shanghan) which transmits to the three yin meridians. The Lung is the canopy (the covering organ of the five zang and six fu organs), internally connects with the Bladder, and is the master of Qi. Therefore, when Taiyang is affected by Wind, the Lung also coughs. Whenever there is whole-body soreness and pain, dry throat, distended eyes, or pain at the Yingxiang acupoint beside the nose, coughing is not necessarily present; sweating indicates Wind Strike (Shangfeng). Treatment is divided into cases with sweating and without sweating. Without sweating is called Cold Injury (Ganmao); with sweating is Wind Strike. The pulse of Wind Strike is floating, fine, and slow, or smaller at the front and larger at the back. Within the human body, there is Defensive Qi (Wei Qi) and Nutritive Qi (Ying Qi). Nutritive Qi is deep, while Defensive Qi is superficial. Wind pathogen only injures Defensive Qi, so it is inadvisable to use diaphoretic methods for releasing the exterior. Diaphoresis leads to excessive sweating and loss of Yang, or depletion of body fluids, resulting in complicated syndromes. Shen Su Yin (Ginseng and Perilla Decoction) should be used to slightly resolve the muscle layer. Zhang Zhongjing used thin rice gruel to assist sweating because muscle-resolving herbs cannot reach the exterior, hence the gruel is given to aid them. If there is stagnation in the abdomen, this method is also inappropriate. After resolution, if there is fever and coughing, there lies a profound principle within. The classics state: "External pathogens entering must combine with internal pathogens." Patients with Wind Strike usually have phlegm and fire internally. Fire steams the skin and hair, making the interstices (cou li) loose. Wind follows the fire's momentum, and fire borrows wind's power; they mutually incite each other. If the phlegm is not removed, recovery will be recurrent without end. This phlegm hides between the Lung and Stomach, sticky and firmly consolidated, which Banxia (Pinellia Rhizome) cannot eliminate. Su Xing Er Chen Tang (Perilla and Apricot Kernel Er Chen Decoction) should be used. It contains Xingren (Apricot Seed) oil to moisten, and Feicao (Boilweed Herb) which is salty to soften hardness. Thus, phlegm can be eliminated and fire descended. If there is ear blockage, coughing, and bitter taste in the mouth, the pathogen has transmitted to the Shaoyang Gallbladder Meridian. Chai Chen Tang (Bupleurum and Phlegm-Resolving Decoction) should be used, adding Xingren and Feicao. Do not overuse diaphoretic herbs. Once the three yang meridians are exhausted, coughing should heal. Often, one sees prolonged coughing after Wind Strike. What is the reason? True Yin was originally deficient. Prolonged coughing injures Qi, causing the Lung lobes to fail to contract. If untreated, it often becomes consumptive weakness (Lao Qie). Jia Wei Di Huang Tang (Modified Rehmannia Pill) should be used to astringe and descend. If the pulse is fine, slow, and forceless, or large and forceless, Middle Qi is severely deficient. Earth fails to generate Metal (Spleen deficiency failing to nourish Lung). Jia Jian Bu Zhong Tang (Modified Tonify the Middle Decoction) should be used to consolidate Yuan Qi. I have seen cases of Wind Strike with Qi deficiency, recurring despite treatment, eventually leading to death from Qi collapse. Though the illness is minor, it is formidable.

For Wind Strike with excessive sweating, Defensive Qi is not secure, and Wind pathogen invades the Ying level, causing slight coldness in the four limbs and profuse cold sweating. The pulse is deep, fine, and thread-like. Guizhi Shaoyao Tang (Cinnamon Twig and Peony Decoction) should be used, with increased Huangqi (Astragalus Root). If the pulse is large and forceless, with fever and sweating, Yuan Qi is not yet severely damaged; only Guizhi Tang (Cinnamon Twig Decoction) is needed.

For Wind Strike with facial swelling, accompanied by coughing and rapid breathing, the pulse is mostly deep and wiry. Wind pathogen enters through respiration and lodges in the lung passages. The lung lobes become distended and fail to contract, losing their descending function. Qi rebels upward to the head and face, causing swelling. In severe cases, the upper body swells entirely. Physicians who do not recognize this call it Edema (Shui Zhong), misleading many. Xiong Su San (Ligusticum and Perilla Powder) should be used to dissipate it. For hemoptysis (coughing blood), Fuling Buxin Tang (Poria Heart-Nourishing Decoction) should be used. (Lung rebellion and failure to descend lead to skin swelling; since the Lung governs skin and hair, how can it be mistaken for water?)

Wind Strike without sweating is called Ganmao (Cold Injury). Because the pathogenic factor of coughing lingers in the three yang meridians and does not transmit to the three yin meridians, it is milder than Shanghan. However, dietary restrictions are necessary, differing from typical Wind Strike. Yao Xiong San (Medicinal Ligusticum Powder) or Renshen Baidu San (Ginseng Toxin-Overcoming Powder) should be used. Whether the pathogen is in the meridians or fu organs, it is treated according to Shanghan protocols; there is no different method.

Shen Su Yin (Ginseng and Perilla Decoction):
Chenpi (Tangerine Peel), Banxia (Pinellia Rhizome), Baifu (White Poria), Gancao (Licorice Root), Jiegeng (Platycodon Root), Zhike (Aurantium Fruit), Qianhu (Peucedani Radix), Muxiang (Aucklandiae Radix), Zisu (Perilla Leaf), Gegen (Puerariae Radix), Renshen (Ginseng Radix et Rhizoma).
Excessive wind causes Qi stagnation, and Qi stagnation causes phlegm accumulation. This formula uses many Qi-regulating herbs. Thus, regulating Qi is the primary principle in treating Wind Strike. Physicians must understand this. For hoarse coughing, add Huangqin (Scutellaria Root). (Note: Dried Huangqin should be used for its light and clear properties; the original text did not distinguish this, specifically revised here.)

Su Xing Er Chen Tang (Perilla and Apricot Kernel Er Chen Decoction):
Chenpi, Banxia, Baifu, Gancao, Zhike, Jiegeng, Zisu, Xingren (Prunus Armeniaca Seed), Jinfeicao (Veronica Herba), Sangpi (Morus Bark).
This formula regulates Qi and resolves phlegm, which is logical. Zisu is added because residual pathogen remains. If the chest feels tight, add Houpo (Magnolia Bark). (Note: Jinfeicao in the formula should be wrapped in silk cloth; otherwise, its hairs may enter the lungs and worsen coughing.)

Jia Wei Chai Chen Tang (Modified Bupleurum and Phlegm-Resolving Decoction):
Chaihu (Bupleuri Radix), Huangqin, Banxia, Gancao, Chenpi, Baifu, Zhike, Xingren, Jinfeicao.

Jia Wei Di Huang Tang (Modified Rehmannia Pill):
Shudi (Rehmanniae Radix Preparata), Shanyao (Dioscoreae Rhizoma), Baifu, Shanzhuyu (Corni Fructus), Danpi (Moutan Cortex), Zexie (Alismatis Rhizoma), Maidong (Ophiopogonis Radix), Wuweizi (Schisandrae Fructus), Wumei (Mume Fructus).

Jia Jian Yiqi Tang (Modified Qi-Tonifying Decoction):
Renshen, Baizhu (Atractylodis Macrocephalae Rhizoma), Gancao, Huangqi (Astragali Radix), Danggui (Angelicae Sinensis Radix), Chenpi, Maidong, Wuweizi.

Guizhi Tang (Cinnamon Twig Decoction):
Guizhi (Cinnamomi Ramulus) - 3 qian, Baishao (Paeoniae Radix Alba, raw) - 3 qian, Gancao (Glycyrrhizae Radix et Rhizoma) - 2 qian, Dazao (Ziziphi Jujubae Fructus) - 3 pieces, Fumai (Triticum Aestivum Levigate) - a pinch.
If Qi deficiency and fine pulse, add Huangqi.

Fuling Buxin Tang (Poria Heart-Nourishing Decoction):
Chenpi, Banxia, Baifu, Gancao, Zhike, Jiegeng, Qianhu, Zisu, Gange (Puerariae Radix), Danggui, Chuanxiong (Ligustici Chuanxiong Rhizoma), Baishao, Shudi.
(Never use this for nourishing Yin as it is cloying and obstructs the middle jiao, trapping external pathogens. It is crucial to differentiate the presence of external wind.)
This is essentially Shen Su Yin combined with Siwu Tang (Four Substances Decoction). Shen Su Yin is doubled, Siwu Tang is originally doubled. One must not lose balance in dosage.
For hemoptysis, Banxia is contraindicated; replace it with Huafen (Trichosanthis Radix). Chuanxiong should also be considered for removal. (Note: Medication should be chosen based on the examination of pathogen and healthy Qi. If healthy Qi is deficient and pathogen is heavy, use double Shen Su Yin and single Siwu Tang. Medicine values flexibility and modification; how can one stick rigidly and mislead patients?)

Xiong Su San (Ligusticum and Perilla Powder):
Zisu, Gange, Chaihu, Chuanxiong, Chenpi, Banxia, Baifu, Gancao, Zhike, Jiegeng.