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When the pathogen is in the exterior (Yang level), it should be resolved by sweating. However, if cold water is splashed or poured on the patient, the heat is suppressed and cannot escape, causing increased irritability and gooseflesh on the skin. Although the patient feels thirsty for water, there is no actual thirst; in this case, Wenli San (Clam Shell Powder) should be administered. If the condition does not improve, Wuling San (Five-Ingredient Poria Pill) should be given. If body heat and cutaneous gooseflesh persist and the patient desires to cover themselves with clothing, washing them with cold water will further suppress the heat, preventing its release. The failure to sweat leads to irritability. If sweating occurs subsequently and abdominal pain arises, Shaoyao (Paeoniae Radix Alba, 3 liang) should be administered according to the aforementioned method.

In Taiyang disease (Disease of the Taiyang Channel), on the second day, irritability appears unexpectedly. Incorrectly applying hot ironing to the back causes profuse sweating, allowing intense heat to enter the Stomach, depleting Stomach fluids. This results in restlessness and delirium. After more than ten days, if chills occur followed by spontaneous diarrhea, this indicates that the disease is about to resolve. Thus, if there is no sweating from the waist down, difficulty urinating, vomiting, a sensation of urinary incontinence, aversion to wind at the soles of the feet, hard stools, and frequent urination that later becomes less frequent, upon the passage of stool, sudden head pain may occur. This is because the Qi of grain (Gu Qi) flows downward, and the soles of the feet will feel warm.

After purgation and subsequent diaphoresis, if the patient experiences daytime irritability and insomnia but remains quiet at night, without vomiting or thirst, lacking exterior signs, with a deep and faint pulse, and no significant fever, Ganjiang Fuzi Tang (Ginger and Aconite Decoction) is indicated.
If diaphoresis or purgation fails to resolve the disease and irritability persists, Linggu Si Ni Tang (Poria and Four-Reversal Decoction) is indicated.

In Shanghan (Cold Damage), abdominal fullness and delirium accompanied by a floating and tight pulse at the Cun position indicate Liver Wood overacting on Spleen Earth, termed "Zong" (Vertical). Acupoint Qimen (LR14) should be punctured.
In Shanghan, symptoms include fever, mild aversion to cold, extreme thirst, abdominal fullness, spontaneous sweating, and free urination, indicating impending resolution. This represents Liver Wood overacting on Lung Metal, termed "Heng" (Horizontal). Acupoint Qimen (LR14) should be punctured.

A patient presents with neither exterior nor interior signs but has had fever for seven to eight days. Even if the pulse is floating and rapid, purgation may be used. If purgation is applied and the rapid pulse persists, combined heat may cause excessive hunger due to rapid digestion. By the sixth or seventh day, if constipation persists, blood stasis is present, and Didang Tang (Di Dang Decoction) is appropriate. If the rapid pulse persists and diarrhea ensues, it indicates heat-collateral dysentery with pus and blood in the stool.

A floating and hollow (Kou) pulse: Floating indicates Yang, while Hollow indicates Yin. When these two interact, Stomach Qi generates heat, leading to the isolation of Yang Qi.

In Yangming disease, absence of sweating with free urination, followed by vomiting, coughing, and cold extremities after two to three days, inevitably leads to severe headache. If there is no cough or vomiting, and extremities are not cold, the head will not hurt.

In Yangming disease, dizziness without aversion to cold, ability to eat, and coughing indicate inevitable throat pain. If there is no cough, there will be no throat pain.