BL-20Pí Shū 脾俞
Back-Shu of the Spleen 脾. Front-Mù pair: LR-13 Zhāng Mén.
Location
1.5 cùn lateral to the lower border of the spinous process of T11.
Actions
- Tonifies Spleen Qi and Yáng
- Resolves Dampness
- Nourishes Blood and holds Blood in the vessels
- Raises Spleen Qi (prolapse, chronic diarrhoea)
Indications
Digestive weakness, Damp, chronic diarrhoea, oedema, fatigue, poor appetite, bruising.
Foundational tonification point — moxa is often more effective than needling.
Needling technique
Oblique toward the spine, 0.5–0.8 cùn.
Moxibustion
Ideal target for direct or indirect moxa in Spleen Qi/Yáng deficiency, chronic Damp and cold-type digestive disorders.
Cautions
Pneumothorax risk if angled laterally. Reduce stimulation in Damp-Heat patterns.
Classical pairings
- ST-36 Zú Sān Lǐ — tonifies Middle Jiāo Qi
- LR-13 Zhāng Mén — Front-Mù of the Spleen and Huì-meeting of the Zàng
- BL-21 Wèi Shū — combined Middle Jiāo Shū pair
Open in the point database
View live location diagrams, additional research citations and full needling metadata for BL-20.
Open BL-20 in the point database →Educational reference for licensed practitioners and students. Not medical advice — always correlate with a full TCM assessment and Western clinical judgement.