Stomach 31 (ST 31) Bi Guan — Thigh Gate

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

Stomach 31 (ST 31) Bi Guan 髀關 — Thigh Gate

Location

On the anterior thigh, at the junction of a vertical line from the anterior superior iliac spine and the horizontal line level with the lower border of the pubic symphysis, in the depression lateral to sartorius.

Anatomy

Between sartorius and tensor fasciae latae, on rectus femoris; the lateral circumflex femoral artery; the lateral femoral cutaneous nerve.

Actions & Functions

  • Activates the channel and dispels wind-damp
  • Benefits the hip and thigh

Indications

Pain, weakness, numbness and motor impairment of the hip, thigh and leg, and atrophy disorder (wei syndrome).

Needling

1.0-2.0 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With ST-32 and ST-36 for atrophy and weakness of the leg.

Classical Text References

A principal local point for the hip and 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

Traditional Chinese Medicine Improves Nutritional Status in Maintenance Haemodialysis Patients, Meta-Analysis Finds

Research summary (Traditional Chinese Medicine): Efficacy of traditional Chinese medicine in improving nutritional status among Chinese maintenance hemodialysis patients: a meta-analysis of - Frontiers in nutrition, 2026.