KI18 Stone Gate

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

KI18 ( Shígōng, “Stone Gate”) 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, 0.5 cun lateral to the anterior midline. It regulates qi and alleviates pain.

Location

On the lower abdomen, 1 cun inferior to the umbilicus, 0.5 cun lateral to the anterior midline.

Needling

Perpendicular insertion 0.8 to 1.2 cun. Caution for bladder if full.

⚠ Have the patient void first — do not needle a full bladder.

TCM functions

Regulates qi and alleviates pain.

Indications

Abdominal pain, indigestion, irregular menstruation.

Meeting point of KI & Chong Mai

Clinical notes

Shigong, a meeting point of the Kidney and Chong Mai, is primarily used for regulating qi and alleviating pain in the abdominal region, particularly for issues related to the uterus and intestines. It is effective for irregular menstruation, uterine prolapse, and abdominal masses, as well as constipation and diarrhea. Its name 'Stone Gate' implies its role in regulating the lower abdominal gateway.

On the Kidney Channel channel

KI18 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI18 located?

KI18 ( Shígōng) is located on the lower abdomen, 1 cun inferior to the umbilicus, 0.5 cun lateral to the anterior midline.

What is KI18 used for?

KI18 regulates qi and alleviates pain. Common clinical indications include abdominal pain, indigestion, irregular menstruation.

How is KI18 needled?

Perpendicular insertion 0.8 to 1.2 cun. Caution for bladder if full. Caution: ⚠ Have the patient void first — do not needle a full bladder.

Which meridian is KI18 on?

KI18 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.