ST17 Middle of the Breast

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

ST17 (Ruzhong, “Middle of the Breast”) is an acupuncture point on the Stomach Meridian. It is located in the center of the nipple, in the fourth intercostal space. It local point, not for needling.

Location

In the center of the nipple, in the fourth intercostal space.

Needling

This point is generally not needled or moxibusted.

⚠ Not normally needled or moxa'd.
⚠ Direct/scarring moxa traditionally avoided here (face / sensory organ — scar & burn risk).

TCM functions

Local point, not for needling.

Indications

Landmark for other points.

Clinical notes

Ruzhong, located in the center of the nipple, is a classic example of a point that is not needled due to its anatomical location and the risk of injury. While it is not directly stimulated, its location serves as an important anatomical landmark for locating surrounding points, particularly those on the Stomach and Kidney meridians. It is sometimes used for moxibustion in specific traditional applications, such as for insufficient lactation, but direct needling is contraindicated.

On the Stomach channel

ST17 is one of 45 points on the Stomach Meridian. Nearby points:

Frequently asked questions

Where is ST17 located?

ST17 (Ruzhong) is located in the center of the nipple, in the fourth intercostal space.

What is ST17 used for?

ST17 local point, not for needling. Common clinical indications include landmark for other points.

How is ST17 needled?

This point is generally not needled or moxibusted. Caution: ⚠ Not normally needled or moxa'd. ⚠ Direct/scarring moxa traditionally avoided here (face / sensory organ — scar & burn risk).

Which meridian is ST17 on?

ST17 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.