TB21 Ear Gate

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

TB21 (Ěrmén, “Ear Gate”) is an acupuncture point on the Triple Burner Meridian. TB21 is located anterior to the tragus, in the depression between the tragus and the condyloid process of the mandible, with the mouth slightly open. It benefits the ear, clears heat.

Location

TB21 is located anterior to the tragus, in the depression between the tragus and the condyloid process of the mandible, with the mouth slightly open.

Needling

Insert perpendicularly 0.3-0.5 cun.

TCM functions

Benefits the ear, clears heat.

Indications

Tinnitus, deafness, otitis media, toothache, facial paralysis.

Clinical notes

TB21 is a highly important local point for all ear disorders, including tinnitus, deafness, otitis media, and ear pain, due to its direct proximity to the ear canal. It effectively clears heat and opens the orifices, making it a primary choice for both acute and chronic auditory issues. It is frequently combined with SI19 and GB2 for a strong local effect on the ear.

On the Triple Burner channel

TB21 is one of 23 points on the Triple Burner Meridian. Nearby points:

Frequently asked questions

Where is TB21 located?

TB21 is located anterior to the tragus, in the depression between the tragus and the condyloid process of the mandible, with the mouth slightly open.

What is TB21 used for?

TB21 benefits the ear, clears heat. Common clinical indications include tinnitus, deafness, otitis media, toothache, facial paralysis.

How is TB21 needled?

Insert perpendicularly 0.3-0.5 cun.

Which meridian is TB21 on?

TB21 is a point on the Triple Burner Meridian (Sān Jiāo).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.