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In Spring-Warmth disease, if the complexion is dull and limbs are cold, with intense heat in the heart and abdomen, tongue curling and scrotal retraction, mental confusion resembling sleep, silence without desire to drink, this indicates pathogenic factors latent in the Jueyin (Liver and Pericardium) channel. It is appropriate to use Wu Youke's Sanjia Powder (Three Shells Decoction) added with Chaihu Shao (Bupleurum Root Tip), Jiangcan (Bombyx Batryticatus), Chuanxiong (Ligusticum Chuanxiong), Taoren (Prunus Persica Seed), Danpi (Moutan Cortex), Yujin (Curcuma Longa Rhizome), and Xian Changpu (Acorus Tatarinowii Rhizome fresh), to raise and vent the Yin-pathogenic factors.

When pathogenic factors are latent in the Jueyin channel, spreading diffusely without venting, qi and blood become stagnant and turbid, and Yang qi manifests as Yin-cold; thus, the complexion becomes greenish and dull, limbs become reversely cold, heart and abdomen become reversely hot, and the tongue curls and shrinks. This signifies that pathogens have deeply penetrated the collaterals, causing a confusion of clear and turbid qi, leading to the obscuration of Clear Yang. The patient appears intoxicated or foolish, orifices are unresponsive, silently resembling sleep; they drink if offered but do not seek water if not offered, resembling a collapse syndrome. At this juncture, weighing the condition, neither cooling nor warming-drying methods are suitable. One should imitate Wu’s Sanjia Powder method: using vinegar-processed Biejia (Trionyx Carapax), soil-processed Shanjiā (Manis Pentadactyla Scale), and wine-soaked Dibiechong (Eupolyphaga Steleophaga) to search out and eliminate latent pathogens in the Jueyin channel; combined with Chaihu, Chuanxiong, and Jiangcan to raise the Clear Yang qi of the Shaoyang (Gallbladder and Triple Burner) channel; Taoren and Danpi to break blood stasis; and Yujin and Changpu to clear the Heart. After administration, if the limbs become warm, the face reddens, speech resumes, appetite returns, and the patient feels restless and uneasy, this indicates that pathogens are being raised and vented, and the disease has a mechanism for transformation.

In Spring-Warmth disease, presenting with headache, fever, aversion to cold, irritability, and mental confusion, with a white tongue coating and red tip, this indicates pathogenic factors attaching to both the exterior and interior. It is appropriate to use Xingren (Armeniacae Semen Amarum), Bohe (Menthae Haplocalycis Herba), Loupi (Benincasae Exocarpium), Lianqiao (Forsythiae Fructus), Juhong (Citri Reticulatae Pericarpium Rubrum), Lingyangjiao (Saigae Tataricae Cornu), Danshi (Sojae Semen Praeparatum), Sangye (Mori Folium), Yujin, and Changpu, to resolve both exterior and interior simultaneously.

Generally, headache and fever with anhidrosis and aversion to cold indicate that Warm pathogens have initially invaded the Lung-Wei (Defensive) level. If accompanied by irritability and mental confusion, with a white tongue coating and red tip, it signifies that the Xin-Ying (Pericardium-Nutrient) boundary has been breached. If only exterior-releasing agents are used, although the exterior pathogens may be resolved, the Ying-level heat will be difficult to clear. Therefore, Xingren, Bohe, Sangye, and Danshi are used to disperse the Wei level, while Lianqiao, Lingyangjiao, Loupi, Yujin, and Changpu are used to clear the Ying level. This is the method of venting the Wei and revealing the Ying, ensuring that exterior and interior pathogens are resolved simultaneously without transmitting inward.