KI19 Yin Metropolis

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

KI19 (Yīndū, “Yin Metropolis”) is an acupuncture point on the Kidney Channel Meridian. It is located on the anterior midline of the abdomen, 5 cun superior to the umbilicus, 0.5 cun lateral to the anterior midline. It regulates qi and alleviates pain.

Location

On the anterior midline of the abdomen, 5 cun superior to the umbilicus, 0.5 cun lateral to the anterior midline.

Needling

Perpendicular insertion 0.5-1.5 cun. Caution for pneumothorax.

⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

TCM functions

Regulates qi and alleviates pain.

Indications

Abdominal pain, indigestion, asthma.

Clinical notes

KI19, 'Yin Metropolis', is primarily used for regulating qi in the abdomen and chest, making it effective for epigastric pain, abdominal distention, and indigestion. It can also address issues like vomiting and acid reflux by harmonizing the Middle Jiao. Its location on the Kidney meridian, close to the stomach, highlights its role in connecting Kidney and Spleen/Stomach functions. Clinically, it is often paired with ST36 for general abdominal discomfort.

On the Kidney Channel channel

KI19 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI19 located?

KI19 (Yīndū) is located on the anterior midline of the abdomen, 5 cun superior to the umbilicus, 0.5 cun lateral to the anterior midline.

What is KI19 used for?

KI19 regulates qi and alleviates pain. Common clinical indications include abdominal pain, indigestion, asthma.

How is KI19 needled?

Perpendicular insertion 0.5-1.5 cun. Caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

Which meridian is KI19 on?

KI19 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.