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舌色较正常红，舌面覆薄黄苔，苔薄而均匀。
Tongue redder than normal, with a thin, evenly distributed yellow coating.
主表热证或外邪化热初起；提示热邪已从卫入气，但尚未深入。
Indicates an exterior heat pattern or early transformation of pathogen into heat; heat has moved from the defensive to the qi level but has not yet penetrated deeper.
@misc{bencaodian-red-thin-yellow,
author = {{Bencaodian Editorial}},
title = {hóng shé báo huáng tāi 红舌薄黄苔 (Red Tongue with Thin Yellow Coating)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/tongue/red-thin-yellow},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}