Stomach 43 (ST 43) Xian Gu — Sunken Valley

This is the Shu-Stream and Wood point of the Stomach channel. It harmonises the Stomach, resolves oedema and damp and benefits the foot.

Stomach 43 (ST 43) Xian Gu 陷谷 — Sunken Valley

Location

On the dorsum of the foot, in the depression proximal to the junction of the second and third metatarsal bones.

Anatomy

Between the second and third metatarsals, on the interosseous muscle; the dorsal metatarsal artery; the medial dorsal cutaneous nerve of the foot.

Actions & Functions

  • Harmonises the Stomach and resolves oedema and damp
  • Reduces facial and abdominal swelling

Indications

Facial and generalised oedema, abdominal pain and distension, borborygmus, and pain and swelling of the dorsum of the foot.

Needling

0.3-0.5 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With ST-36 and SP-9 for oedema.

Classical Text References

The Shu-Stream (Wood) point of the Stomach.

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

Acupuncture Shows Sustained Benefits for Chronic Daily Headache Prevention in Adults, Meta-Analysis Finds

Research summary (Acupuncture): Utility of Acupuncture Therapy for Adult Chronic Daily Headache Prophylaxis: A Systematic Review and Meta-Analysis. - Medical science monitor : international medical journal of experimental and clinical research, 2026.