ST23 Taiyi

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

ST23 (Taiyi, “Taiyi”) is an acupuncture point on the Stomach Meridian. It is located on the upper abdomen, 2 cun superior to the umbilicus and 2 cun lateral to the midline, at the level of CV10 (Xiawan). This places it 1 cun inferior to Guanmen (ST22). It calms the spirit, pacifies mania and agitation, and harmonizes the middle jiao.

Location

On the upper abdomen, 2 cun superior to the umbilicus and 2 cun lateral to the midline, at the level of CV10 (Xiawan). This places it 1 cun inferior to Guanmen (ST22).

Needling

Perpendicular insertion 1.0 to 1.5 cun.

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TCM functions

Calms the spirit, pacifies mania and agitation, and harmonizes the middle jiao..

Indications

Vexation of the heart, madness, mania with wild running, epileptic disease, thrusting out the tongue..

Clinical notes

Taiyi is a primary point for severe shen disturbances such as mania, psychosis, and epilepsy, particularly when characterized by agitation and chaotic behavior. Its name, 'Supreme Unity,' reflects its function of calming the mind and restoring a sense of centeredness. While less commonly used for digestive issues than its neighbors, its ability to pacify the spirit can be beneficial when emotional turmoil disrupts stomach function.

On the Stomach channel

ST23 is one of 45 points on the Stomach Meridian. Nearby points:

ST19ST20ST21ST22ST24ST25ST26ST27

Frequently asked questions

Where is ST23 located?

ST23 (Taiyi) is located on the upper abdomen, 2 cun superior to the umbilicus and 2 cun lateral to the midline, at the level of CV10 (Xiawan). This places it 1 cun inferior to Guanmen (ST22).

What is ST23 used for?

ST23 calms the spirit, pacifies mania and agitation, and harmonizes the middle jiao. Common clinical indications include vexation of the heart, madness, mania with wild running, epileptic disease, thrusting out the tongue.

How is ST23 needled?

Perpendicular insertion 1.0 to 1.5 cun. Caution: The 'Taiyi Ge' (Song of Taiyi) describes a system of 'heavenly taboos' based on the movement of the celestial entity Taiyi through the nine palaces. It warns against treating carbuncles or abscesses in the region corresponding to Taiyi's location on a given day, as it is a 'heavenly taboo day' and the disease will be difficult to cure.

Which meridian is ST23 on?

ST23 is a point on the Stomach Meridian (Zú Yángmíng Wèijīng).

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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.