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The *Qianjin Fang* (Essential Prescriptions Worth a Thousand Gold) states: In the disease of Wind-Warmth (Fengwen, wind-heat syndrome), the pulse is floating at all three positions (Cun, Guan, Chi). There is sweating and heaviness of the body; respiration must be wheezy or panting. The physical condition presents with numbness or lack of sensation. The patient remains silent and desires sleep. If purgation (downward draining) is applied, urination will become difficult. If diaphoresis (sweating-inducing treatment) is applied, delirium will certainly occur. If burning needle therapy is added, deafness and difficulty in speech will result. If emesis (vomiting-inducing treatment) is applied alone, fecal incontinence will occur. For such diseases, Wei Rui Tang (Jade Bamboo Decoction) should be administered.

The *Huo Ren Shu* (Book to Save Lives) states: When the pulse is floating at both the Cun and Chi positions, accompanied by headache, fever, frequent spontaneous sweating, bodily heaviness, panting, flaccidity of the four limbs (inability to flex them), silence, and a desire to lie down, this is Wind-Warmth. The patient has previously been injured by wind pathogen, and subsequently injured by heat pathogen. Wind and heat contend with each other, resulting in Wind-Warmth. The main symptoms are flaccidity of the four limbs, headache, fever, and frequent spontaneous sweating that does not resolve. Treatment focuses on the Shaoyin (Lesser Yin) and Jueyin (Terminal Yin) channels. Sweating-inducing treatments must not be used. If sweating is induced, delirium will occur, along with muttering internally, irritability, restlessness, and inability to sleep. It may resemble convulsive disorders, with eyes wandering and lacking spirit. If the physician induces sweating again, causing death, it is the physician who kills the patient. The *Huo Ren Shu* further states: Wind-Warmth cannot be treated with sweating methods; Wei Rui Tang is suitable. For Wind-Warmth with burning heat, Zhi Mu Ge Gen Tang (Anemarrhena and Pueraria Decoction) is used. For Wind-Warmth with severe thirst, Gua Lou Gen Tang (Trichosanthes Root Decoction) is used. For Wind-Warmth with a floating pulse, heaviness, and sweating, Han Fang Ji Tang (Stephania Tetrandra Decoction) is used.

The *Huo Ren Shu* states: In early spring, if patients develop macules and papules on the skin resembling brocade patterns, or experience cough, chest oppression, and vomiting only, this is named Wen Du (Warm-Toxin). Warm-Toxin manifesting as macules arises because cold-toxin was contracted in winter but did not manifest until spring. Initially, the pathology is in the exterior, presenting like Taiyang Cold Damage (Shanghan). Or, after sweating, vomiting, or purging, the exterior syndrome has not resolved, and the toxic qi has not dispersed, leading to macules; Hei Gao (Black Plaster) is the primary treatment. (If sores have formed, treat as local carbuncles/sores; do not use Hei Gao.) Additionally, if winter weather is warm, people may contract aberrant qi. The disease does not manifest immediately in winter. By spring, if suppressed by accumulated cold, the toxic qi cannot vent. When the weather becomes hot, Warm-Toxin finally manifests, causing skin maceration, papules like brocade patterns, internal chest oppression, and vomiting clear fluid; Ge Gen Ju Pi Tang (Pueraria and Tangerine Peel Decoction) is the primary treatment. Guo Yong states: Macules do not necessarily appear only in early spring or summer; this differs from Cold Damage. These cases present with papules like brocade patterns but without ulceration. Cases with pus-filled ulcers are actually Smallpox (Tian Hua, infectious exanthem caused by heat-toxin). Both types initially present with exterior syndromes similar to Cold Damage. There are also red and white forms of papules that appear suddenly due to warm qi without initial exterior symptoms; their toxicity is mild, belonging to the category of Feng Shi (Wind Corpse). Another type presents with the whole body resembling brocade, appearing suddenly without initial exterior symptoms, looking like erysipelas or rashes; its toxicity is also mild. These are detailed in the discussion on macules and papules following pediatric exanthems.

Guo Yong states: Zhang Zhongjing’s description of Wind-Warmth and Warm-Toxin differs from the aforementioned views. Zhang Zhongjing said: If Cold Damage persists beyond thirteen days without remission, and the Cun and Chi pulses sink, it is a critical danger. If further exposure to different pathogens causes transformation into other diseases, one must treat according to the subsequent "Huai Bing" (ruined/deteriorated disease) protocols. If the Yang pulse (Cun) is floating and slippery, and the Yin pulse (Chi) is soggy and weak, it indicates an additional wind pathogen transforming into Wind-Warmth. If the Yang pulse is surging and rapid, and the Yin pulse is substantial and large, it indicates encountering warm-heat transforming into Warm-Toxin. Warm-Toxin is the most severe among these diseases. This constitutes one of the four types of Huai Bing following Cold Damage, which is extremely serious. It is not merely the Wind-Warmth and Warm-Toxin mentioned earlier. The medication must also differ. Thus, what Zhang Zhongjing refers to are Cold Damage Huai Bing, Wind Stroke, and Warm-Toxin; whereas what various schools refer to are Wind-Warmth and Warm-Toxin contracted spontaneously in winter and spring. The severity of treatment must therefore differ. Among the four Huai Bing, there is also a syndrome called Shi Wen (Damp-Warmth), found in Volume 8 under the section on non-sweating methods.

Guo Yong states: Tian Xing Wen Yi (Epidemic Warmth), although presenting with few symptoms, requires diverse medications. For example, the *Qianjin Fang* discusses formulas to ward off epidemic qi and prevent contagion, as well as formulas from the *Qianjin Yi Fang* such as Dan Gui Wan (Ghost-Bouncing Pill), Shen Ming Bai San (Divine Clarity White Powder), Tai Yi Liu Jin San (Great One Flowing Gold Powder), and Ying Huo Wan (Firefly Pill). Although predecessors selected some of these, many were omitted here; I have collected the遗逸 (lost/omitted) ones for use. Generally, treating epidemics requires first distinguishing between cold and warmth before prescribing, drawing upon the principles of Yin-Yang and Exterior-Interior in Cold Damage. Therefore, Pang Anchang described his formulas for treating Cold Epidemics (Han Yi). Formulas like Chi San (Red Powder) and Jie Sheng San (Savior-Resolving Powder) are suitable for Cold Epidemics. If applied to Warm Epidemics (Wen Yi), they would exacerbate the heat.