KI15 Zhōngzhù

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

KI15 (Zhōngzhù, “Zhōngzhù”) is the Meeting point of KI & Chong Mai point of the Kidney Channel Meridian. It is located on the lower abdomen, 1 cun inferior to the umbilicus and 0.5 cun lateral to the anterior midline (Ren Mai). It regulates the intestines, clears heat from the lower jiao, and adjusts menstruation.

Location

On the lower abdomen, 1 cun inferior to the umbilicus and 0.5 cun lateral to the anterior midline (Ren Mai).

Needling

Perpendicular insertion 1.0 to 1.5 cun.

TCM functions

Regulates the intestines, clears heat from the lower jiao, and adjusts menstruation..

Indications

Lower abdominal heat, constipation, difficult or dry stool, diarrhea, gas, pain in the lower abdomen, pain radiating to the and spine, red and painful inner corner of the eye, irregular menstruation..

Meeting point of KI & Chong Mai

Clinical notes

Zhongzhu is a key point for addressing intestinal disorders, particularly constipation due to heat and dryness in the lower abdomen. Its connection to the Chong Mai also makes it useful for menstrual irregularities. The classical indication for eye pain originating from the inner canthus highlights the Kidney channel's pathway and its internal connections.

On the Kidney Channel channel

KI15 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI15 located?

KI15 (Zhōngzhù) is located on the lower abdomen, 1 cun inferior to the umbilicus and 0.5 cun lateral to the anterior midline (Ren Mai).

What is KI15 used for?

KI15 regulates the intestines, clears heat from the lower jiao, and adjusts menstruation. Common clinical indications include lower abdominal heat, constipation, difficult or dry stool, diarrhea, gas, pain in the lower abdomen, pain radiating to the and spine, red and painful inner corner of the eye, irregular menstruation.

How is KI15 needled?

Perpendicular insertion 1.0 to 1.5 cun.

Which meridian is KI15 on?

KI15 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).

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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.