San Jiao 21 (SJ 21) Er Men — Ear Gate

This point, in front of the ear, is a principal local point for tinnitus, deafness and ear disorders.

San Jiao 21 (SJ 21) Er Men 耳門 — Ear Gate

Location

On the face, in the depression anterior to the supratragic notch and posterior to the condyle of the mandible, found with the mouth open (superior to SI-19).

Anatomy

Anterior to the ear; the superficial temporal artery and vein; the auriculotemporal and facial nerves.

Actions & Functions

  • Benefits the ears and hearing
  • Benefits the teeth

Indications

Tinnitus and deafness, otitis and ear discharge, and toothache.

Needling

0.5-1.0 cun, perpendicular insertion with the mouth open.

Moxibustion Suitability

Moxibustion is generally not used on the face.

Point Combinations

With SI-19 and GB-2 for ear disorders (often needled together with the mouth open).

Classical Text References

A principal local point for the ear.

Cautions & Contraindications

Needle with the mouth open to keep the depression accessible.

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.

Check Also

PubMed research

Acupuncture Identified as a Key Neuromuscular Intervention for Post-Stroke Swallowing Difficulties

Research summary (Acupuncture): Neuromuscular-related interventions for post-stroke dysphagia: a comprehensive narrative review. - Frontiers in neuroscience, 2026.