Governing Vessel 28 (DU 28) Yin Jiao — Gum Intersection

This point, inside the upper lip, is the last point of the Governing Vessel. It benefits the gums, nose and eyes and calms the spirit.

Governing Vessel 28 (DU 28) Yin Jiao 齦交 — Gum Intersection

Location

Inside the upper lip, at the junction of the upper lip frenulum and the upper gum.

Anatomy

At the upper labial frenulum; the superior labial artery; the superior alveolar nerve.

Actions & Functions

  • Benefits the gums and nose
  • Calms the spirit and clears heat
  • Benefits the eyes

Indications

Swelling and pain of the gums, nasal congestion and polyps, mania, and eye disorders.

Needling

0.1-0.2 cun, oblique upward insertion, or prick to bleed.

Moxibustion Suitability

Moxibustion is not used at this point.

Point Combinations

With DU-26 and LI-20 for the face and nose.

Classical Text References

The last point of the Du Mai; a meeting point with the Ren Mai and Stomach channel.

Cautions & Contraindications

Maintain hygiene; the point is inside the mouth.

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.