Gall Bladder 32 (GB 32) Zhong Du — Middle Ditch

This point, on the lateral thigh, activates the channel, dispels wind-damp and benefits the leg.

Gall Bladder 32 (GB 32) Zhong Du 中瀆 — Middle Ditch

Location

On the lateral thigh, 5 cun proximal to the popliteal crease (2 cun distal to GB-31), posterior to the iliotibial band.

Anatomy

Between vastus lateralis and biceps femoris; the muscular branches of the lateral circumflex femoral artery; the lateral femoral cutaneous nerve.

Actions & Functions

  • Activates the channel and dispels wind-damp
  • Benefits the leg

Indications

Pain, numbness and motor impairment of the thigh and leg, sciatica, and hemiplegia.

Needling

1.0-1.5 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With GB-31 and GB-34 for leg disorders.

Classical Text References

A local point for the lateral thigh.

Cautions & Contraindications

None specific.

Latest Research

Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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PubMed research

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Research summary (Traditional Chinese Medicine): Efficacy and safety of traditional Chinese medicine decoctions in breast cancer treatment: a network meta-analysis. - Frontiers in oncology, 2026.