Large Intestine 19 (LI 19) Kou He Liao — Grain Bone-Hole

This point, below the nostril, opens the nose and benefits the face.

Large Intestine 19 (LI 19) Kou He Liao 口禾髎 — Grain Bone-Hole

Location

On the face, below the lateral margin of the nostril, level with the junction of the upper third and lower two-thirds of the philtrum, lateral to DU-26.

Anatomy

The orbicularis oris muscle; the superior labial branch of the facial artery; the facial nerve and the infraorbital nerve.

Actions & Functions

  • Opens the nasal passages
  • Benefits the face and dispels wind

Indications

Nasal obstruction and discharge, epistaxis, facial paralysis, and trismus (lockjaw).

Needling

0.2-0.3 cun, perpendicular or oblique insertion.

Moxibustion Suitability

Moxibustion is generally not used on the face.

Point Combinations

With LI-20 for nasal obstruction; with LI-4 for facial paralysis.

Classical Text References

A local point for nasal and facial disorders.

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

Network Meta-Analysis Finds Chinese Herbal Decoctions Improve Outcomes and Reduce Side Effects in Breast Cancer Treatment

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.