Jiachengjiang Adjacent to Container of Fluids

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

Jiachengjiang (Jiachengjiang, “Adjacent to Container of Fluids”) is an extra (non-channel) acupuncture point. Located 1 cun lateral to Ren24 (Chengjiang), at the mental labial groove. It benefits the face and mouth, alleviates pain.

Location

Located 1 cun lateral to Ren24 (Chengjiang), at the mental labial groove.

Needling

Oblique insertion 0.3-0.5 cun.

TCM functions

Benefits the face and mouth, alleviates pain.

Indications

Facial paralysis, trigeminal neuralgia, toothache.

Clinical notes

Jiachengjiang is an important extra point for local issues of the face and mouth, particularly effective for facial paralysis, deviation of the mouth, and trigeminal neuralgia. Its proximity to the jaw makes it useful for TMJ disorders and toothache in the lower jaw. It is often used in conjunction with ST6 and ST7 to address motor and sensory impairments of the facial muscles.

Frequently asked questions

Where is Jiachengjiang located?

Located 1 cun lateral to Ren24 (Chengjiang), at the mental labial groove.

What is Jiachengjiang used for?

Jiachengjiang benefits the face and mouth, alleviates pain. Common clinical indications include facial paralysis, trigeminal neuralgia, toothache.

How is Jiachengjiang needled?

Oblique insertion 0.3-0.5 cun.

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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.