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舌色淡而泛紫，舌体稍胖，苔薄白而润。
Tongue pale with a purplish cast, body slightly swollen, covered by a thin, moist white coating.
主阳虚寒凝血瘀；阳气不足，寒自内生，血失温运而凝滞。
Indicates yang deficiency with cold congealing and blood stasis; insufficient yang gives rise to internal cold, and blood, losing its warming movement, congeals.
@misc{bencaodian-purple-swollen-pale,
author = {{Bencaodian Editorial}},
title = {dàn zǐ shé 淡紫舌 (Pale Purple Tongue)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/tongue/purple-swollen-pale},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}