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某，春月感受风温。症见身热微恶风，头胀咽痛，口微渴，咳嗽痰少而黏，舌边尖红，苔薄白微黄，脉浮数。
A patient in early spring contracted wind-warmth. Presenting with mild fever and slight aversion to wind, head distension and sore throat, mild thirst, cough with scant sticky phlegm, red tongue tip and edges with a thin white coating tinged yellow, and a pulse that is floating and rapid.
风温袭肺，卫分失宣。属温病初起，邪在上焦手太阴。
Wind-warmth assailing the Lung, with failure of defensive-level diffusion. Early-stage warm disease lodged in the Upper Burner Hand-Taiyin.
投银翘散辛凉轻剂，加芦根以生津止咳。二剂后热退身凉，咳嗽大减，再进一剂而愈。
After administering Yin Qiao San as a light acrid-cool dose, Lu Gen was added to generate fluids and arrest cough. After two doses the fever resolved and the body cooled; cough diminished markedly; one further dose effected recovery.
温邪上受，首先犯肺。叶氏立法以辛凉轻剂疏风透热，忌用辛温发汗以助热伤津。此即'在卫汗之可也'之活法，汗不在强发，而在疏透。
Warm pathogens are received from above and first assail the Lung. Ye's method uses light acrid-cool formulas to disperse wind and vent heat, strictly avoiding acrid-warm diaphoretics that would aid the heat and injure fluids. This embodies 'at the defensive level, sweating is permissible' — not by forced diaphoresis but by gentle dispersing and venting.
@misc{bencaodian-ye-tianshi-feng-wen-fei-wei-shi-xuan,
author = {{Bencaodian Editorial}},
title = {叶天士治风温犯卫 肺卫失宣案 (Ye Tianshi: Wind-Warmth Invading the Defensive with Failure of Lung Diffusion)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/cases/ye-tianshi-feng-wen-fei-wei-shi-xuan},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}