Small Intestine 5 (SI 5) Yang Gu — Yang Valley

This is the Jing-River and Fire point of the Small Intestine channel. It clears heat, calms the spirit and benefits the wrist.

Small Intestine 5 (SI 5) Yang Gu 陽谷 — Yang Valley

Location

At the wrist, on the ulnar side, in the depression between the styloid process of the ulna and the triquetral bone.

Anatomy

Between the ulnar styloid and triquetral; the dorsal carpal branch of the ulnar artery; the dorsal branch of the ulnar nerve.

Actions & Functions

  • Clears heat and reduces swelling
  • Calms the spirit
  • Benefits the wrist, neck and head

Indications

Headache, dizziness, tinnitus and deafness, swelling of the neck and cheek, febrile disease, mental-emotional disorders, and pain of the wrist.

Needling

0.3-0.5 cun, perpendicular insertion.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With SI-3 for neck and wrist disorders; with SJ-17 for tinnitus.

Classical Text References

The Jing-River (Fire) point of the Small Intestine.

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.