Jiachengjiang Jiachengjiang

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

Jiachengjiang (Jiachengjiang, “Jiachengjiang”) is an extra (non-channel) acupuncture point. It is located on the chin, in the mentolabial sulcus, 1 cun lateral to the midline point Chengjiang (CV-24). It expels wind, clears heat, and alleviates pain and spasm in the facial region.

Location

On the chin, in the mentolabial sulcus, 1 cun lateral to the midline point Chengjiang (CV-24).

Needling

Oblique or transverse insertion 0.5-1.0 cun, directed towards the mandible or medially.

TCM functions

Expels wind, clears heat, and alleviates pain and spasm in the facial region..

Indications

Sudden deviation of the mouth, facial paralysis, lockjaw, toothache, mouth sores, gum pain, jaundice from acute epidemic disease, inability to speak..

Clinical notes

Jiachengjiang is a local point primarily used for conditions affecting the mouth and jaw, such as facial paralysis, trigeminal neuralgia, and dental pain. Its classical indication for acute epidemic jaundice suggests a capacity to clear severe heat and toxins, although this usage is rare today. It is often used in conjunction with other local and distal points for facial disorders.

Frequently asked questions

Where is Jiachengjiang located?

Jiachengjiang (Jiachengjiang) is located on the chin, in the mentolabial sulcus, 1 cun lateral to the midline point Chengjiang (CV-24).

What is Jiachengjiang used for?

Jiachengjiang expels wind, clears heat, and alleviates pain and spasm in the facial region. Common clinical indications include sudden deviation of the mouth, facial paralysis, lockjaw, toothache, mouth sores, gum pain, jaundice from acute epidemic disease, inability to speak.

How is Jiachengjiang needled?

Oblique or transverse insertion 0.5-1.0 cun, directed towards the mandible or medially.

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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.