KI20 Connecting Valley

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

KI20 (Tōnggǔ, “Connecting Valley”) is an acupuncture point on the Kidney Channel Meridian. It is located on the anterior midline of the abdomen, 6 cun superior to the umbilicus, 0.5 cun lateral to the anterior midline. It regulates qi, harmonizes middle jiao.

Location

On the anterior midline of the abdomen, 6 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, harmonizes middle jiao.

Indications

Abdominal distention, vomiting, diarrhea, asthma.

Clinical notes

KI20, 'Connecting Valley', excels at harmonizing the Middle Jiao and regulating qi, making it a key point for various digestive complaints. It is particularly useful for abdominal distention, borborygmus, diarrhea, and constipation, often stemming from Spleen and Stomach disharmony. Its name suggests its ability to open and regulate the flow of qi in the abdominal region. It can be combined with CV12 for broader Middle Jiao regulation.

On the Kidney Channel channel

KI20 is one of 27 points on the Kidney Channel Meridian. Nearby points:

Frequently asked questions

Where is KI20 located?

KI20 (Tōnggǔ) is located on the anterior midline of the abdomen, 6 cun superior to the umbilicus, 0.5 cun lateral to the anterior midline.

What is KI20 used for?

KI20 regulates qi, harmonizes middle jiao. Common clinical indications include abdominal distention, vomiting, diarrhea, asthma.

How is KI20 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 KI20 on?

KI20 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.