ST21 Beam Gate

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

ST21 (Liángmén, “Beam Gate”) is an acupuncture point on the Stomach Meridian. ST21 is located 4 cun superior to the umbilicus, 2 cun lateral to the anterior midline. It harmonizes the Stomach, alleviates pain, regulates qi.

Location

ST21 is located 4 cun superior to the umbilicus, 2 cun lateral to the anterior midline.

Needling

Perpendicular insertion 0.8-1.2 cun.

TCM functions

Harmonizes the Stomach, alleviates pain, regulates qi.

Indications

Gastric pain, abdominal distention, vomiting, indigestion.

Clinical notes

ST21 is a highly effective point for acute and chronic Stomach disorders, especially those involving pain, distention, and indigestion. It excels at harmonizing the Stomach and regulating qi, making it valuable for epigastric pain, vomiting, acid regurgitation, and loss of appetite. Its strong action on the Stomach makes it a frequently used point for various digestive complaints. It is often paired with PC6 for nausea and vomiting.

On the Stomach channel

ST21 is one of 45 points on the Stomach Meridian. Nearby points:

Frequently asked questions

Where is ST21 located?

ST21 is located 4 cun superior to the umbilicus, 2 cun lateral to the anterior midline.

What is ST21 used for?

ST21 harmonizes the Stomach, alleviates pain, regulates qi. Common clinical indications include gastric pain, abdominal distention, vomiting, indigestion.

How is ST21 needled?

Perpendicular insertion 0.8-1.2 cun.

Which meridian is ST21 on?

ST21 is a point on the Stomach Meridian (Zú Yángmíng Wèijīng).

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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.