SI11 Celestial Gathering

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

SI11 (Tianzong, “Celestial Gathering”) is an acupuncture point on the Small Intestine Channel Meridian. It is located in the infrascapular fossa, at the center of the subscapular fossa, on a line connecting SI10 and SI12. It activates the meridian, alleviates pain, and benefits the breast.

Location

In the infrascapular fossa, at the center of the subscapular fossa, on a line connecting SI10 and SI12.

Needling

Perpendicular insertion 0.5-1.0 cun. Caution: Pneumothorax.

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

TCM functions

Activates the meridian, alleviates pain, and benefits the breast.

Indications

Pain in the scapular region, pain in the shoulder and arm, mastitis.

Clinical notes

SI11, Tianzong, is a key point for pain in the scapular region and shoulder, particularly radiating to the elbow and arm. It is also highly effective for breast disorders, including mastitis, breast distention, and insufficient lactation, due to its proximity and connection to the breast area. Its name, 'Celestial Gathering,' suggests its ability to gather qi to the upper body for local issues.

On the Small Intestine Channel channel

SI11 is one of 19 points on the Small Intestine Channel Meridian. Nearby points:

Frequently asked questions

Where is SI11 located?

SI11 (Tianzong) is located in the infrascapular fossa, at the center of the subscapular fossa, on a line connecting SI10 and SI12.

What is SI11 used for?

SI11 activates the meridian, alleviates pain, and benefits the breast. Common clinical indications include pain in the scapular region, pain in the shoulder and arm, mastitis.

How is SI11 needled?

Perpendicular insertion 0.5-1.0 cun. Caution: Pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.

Which meridian is SI11 on?

SI11 is a point on the Small Intestine Channel Meridian (Shǒu Tài Yáng Xiǎo Cháng Jīng).

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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.