太阳烦躁（无汗者用）大青龙，麻杏石甘（汤）温病宗，九味（羌活汤）冲和（又名冲和汤）易老制，能
令表热自肌松。
汗渴心烦白虎汤，阳明经热救中方，三黄（解毒汤）犀角（地黄汤）热归里，结实未成此法良。
晡潮便结语言狂，热结阳明承气汤，无汗不便表里实，防风通圣有兼长。
口糜龈烂出血，心、肺、胃之火盛也，宜甘露（饮）主之。俗名双、单蛾，即方书所谓喉痹
也。双蛾易治，单蛾难治，由心肾之火乘肺也，宜刺手大拇指出血。又以导赤散加桔梗、贝
母、射干治之，是为反治法。二证若服凉药不愈，宜用附子片以白蜜蒸熟，含咽其汁；又以
通脉四逆汤加猪胆汁、人尿与服；又以桂附八味汤，加黄连少许，水浸冷服，是为从治法。
此证不可纯用凉药，恐上热未除，中寒复起，毒瓦斯乘虚入腹，上喘下泄，手足厥冷，爪甲青
，口如鱼口者死。
（经义）《内经》云∶“一阴一阳结，谓之喉痹。”一阴谓心主，一阳谓三焦，二脉并结于
喉，气热内结，故为喉痹。
咽者、咽也，喉者、候也。咽接三脘以通胃，故以之咽物；喉通五脏以系肺，故以之候
气。气喉，谷咽，皎然明白。《千金》谓∶喉咙主通利水谷之道，咽门主通脏腑津液神气，
误也。
喉以纳气，故曰喉主天气，咽以纳食，故曰咽主地气。
喉风喉痹，皆由膈间素有痰涎，或因七情不节而作，火动痰上，壅塞咽喉，所以内外肿
痛，水浆不入，言语不出，可谓危且急矣。
For Taiyang disease presenting with irritability (specifically for cases without sweating), Da Qing Long Tang (Great Blue Dragon Decoction) should be used; Ma Xing Shi Gan Tang (Ephedra, Apricot Seed, Gypsum and Licorice Decoction) is the foundational formula for treating Warm Diseases (Wen Bing); Jiu Wei Qiang Huo Tang (Nine-Ingredient Notopterygium Decoction), created by Zhang Yuansu (Yi Lao) and also known as Chong He Tang (Harmonizing Decoction), can naturally relax the muscle layer to relieve exterior heat.
If symptoms of sweating, thirst, and mental restlessness appear, Bai Hu Tang (White Tiger Decoction) is the orthodox method for saving Yangming Channel Heat; San Huang Jie Du Tang (Three-Yellow Detoxification Decoction) and Xi Jiao Di Huang Tang (Rhinoceros Horn and Rehmannia Decoction) are suitable when heat returns to the interior; if solid accumulation has not yet formed, this method is excellent.
If there is afternoon tidal fever, constipation, and delirious speech, this indicates heat binding in the Yangming stage, and Cheng Qi Tang (Purgative Decoction) should be used; if there is no sweating and bowel obstruction, indicating both exterior and interior excess, Fang Feng Tong Sheng San (Saposhnikovia Universal Benefit Powder) offers comprehensive advantages.
Mouth ulcers, rotten gums, and bleeding indicate excessive fire in the Heart, Lung, and Stomach; Gan Lu Yin (Sweet Dew Drink) is indicated as the primary treatment. Commonly known as Double E (Shuang E) and Single E (Dan E), these correspond to Hou Bi (Throat Bi Syndrome) in medical texts. Double E is easy to treat, while Single E is difficult, caused by Heart and Kidney fire attacking the Lungs; pricking the thumb to bleed is indicated. Additionally, Dao Chi San (Guide Out Redness Powder) added with Jie Geng (Platycodon Root), Bei Mu (Fritillaria Bulb), and She Ye (Belamcanda Rhizome) can be used for treatment, which constitutes a contrary treatment method (Fan Zhi Fa). If these two conditions do not improve with cooling medicines, it is appropriate to use Fu Zi Pian (Aconite Slices) steamed with honey, held in the mouth to swallow the juice; or administer Tong Mai Si Ni Tang (Unblock Pulse Four Inverted Decoction) added with pig bile and human urine; or take Gui Fu Ba Wei Tang (Cinnamon and Aconite Eight-Ingredient Decoction) with a small amount of Huang Lian (Coptis Rhizome), soaked in water and taken cold, which constitutes a following treatment method (Cong Zhi Fa). This condition must not be treated purely with cooling medicines, lest the upper heat remains unresolved while middle cold arises anew, allowing toxic qi to enter the abdomen through deficiency, leading to upper asthma and lower diarrhea, cold extremities, cyanotic nails, and a mouth open like a fish’s gills, which indicates death.
(Interpretation of Classic Meaning) The *Nei Jing* states: "When one Yin and one Yang knot together, it is called Hou Bi." One Yin refers to the Pericardium (Xin Zhu), and one Yang refers to the San Jiao (Triple Burner); these two meridians knot together at the throat, and internal heat knots within, thus forming Hou Bi.
"Yan" (Pharynx) means swallowing, and "Hou" (Larynx/Trachea) means monitoring. The pharynx connects to the three epigastria to communicate with the Stomach, hence it is used for swallowing food; the larynx communicates with the five zang organs to connect to the Lungs, hence it is used to monitor qi. Qi passes through the larynx, food passes through the pharynx, clearly distinct. The *Qian Jin* states that the larynx governs the unobstructed passage of water and grain, and the pharyngeal gate governs the passage of fluid, qi, and spirit of the zang-fu organs; this is incorrect.
The larynx receives clear qi, therefore it is said that the larynx governs Heavenly Qi; the pharynx receives food, therefore it is said that the pharynx governs Earthly Qi.
Hou Feng (Wind in the Throat) and Hou Bi both arise from phlegm-saliva previously existing in the diaphragm region, or due to irregularity of the seven emotions causing fire to move and phlegm to rise, obstructing the throat and pharynx, resulting in internal and external swelling and pain, inability to ingest fluids, and inability to speak, which can be considered critical and urgent.