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BL-28

膀胱俞

Páng Guāng Shù

Pangguangshu

Location · 定位

骶部，骶正中嵴旁1.5寸，平第二骶后孔

In the sacral region, 1.5 cun lateral to the median sacral crest, at the level of the 2nd posterior sacral foramen

Needling

直刺 0.8–1.2 寸

可灸

Special Categories

膀胱之背俞穴

Actions · 功效

frees and disinhibits urination
strengthens the lumbar region and spine

Indications · 主治

小便不利、遗尿difficult urination, enuresis
腰骶疼痛lumbosacral pain
泄泻diarrhea

Editor-reviewed· 2026-04-16

Footnotes · 引用

[1]Deadman, Manual of Acupuncture 2nd ed.

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Cite this entry

@misc{bencaodian-pang-guang-shu,
  author       = {{Bencaodian Editorial}},
  title        = {Páng Guāng Shù 膀胱俞 (Pangguangshu) — BL-28},
  year         = {2026},
  howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
  url          = {https://bencaodian.org/en/acupoints/pang-guang-shu},
  urldate      = {2026-04-16},
  note         = {CC BY-SA 4.0}
}

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