GB28 Weidao

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

GB28 (Weidao, “Weidao”) is an acupuncture point on the Gallbladder Channel Meridian. It is located on the lateral abdomen, 5.3 cun inferior to Zhangmen (LR13) and anterior and inferior to the anterior superior iliac spine (ASIS). This places it approximately 0.5 cun anterior and inferior to Wushu (GB27). It regulates the Dai Mai, resolves dampness, descends rebellious Qi, and harmonizes the Sanjiao.

Location

On the lateral abdomen, 5.3 cun inferior to Zhangmen (LR13) and anterior and inferior to the anterior superior iliac spine (ASIS). This places it approximately 0.5 cun anterior and inferior to Wushu (GB27).

Needling

Perpendicular insertion, 0.8 to 1.5 cun.

TCM functions

Regulates the Dai Mai, resolves dampness, descends rebellious Qi, and harmonizes the Sanjiao..

Indications

Incessant rebellious vomiting, water swelling (edema), Sanjiao disharmony, no desire to eat, incessant rebellious cough, water qi in the Sanjiao, inability to eat, abdominal fullness, waist feels like sitting in water.

Clinical notes

As a meeting point of the Gallbladder channel and the Dai Mai, Weidao is a key point for regulating the Girdle Vessel. It is used for disorders where dampness and Qi stagnate in the lower and middle jiao, manifesting as edema, abdominal fullness, and digestive issues like vomiting and poor appetite. Its name, 'Linking Path', highlights its role in connecting and regulating the flow between these two important vessels, making it useful for gynecological issues and problems of the waist and hips, although these are not explicitly stated in the provided classics.

On the Gallbladder Channel channel

GB28 is one of 44 points on the Gallbladder Channel Meridian. Nearby points:

Frequently asked questions

Where is GB28 located?

GB28 (Weidao) is located on the lateral abdomen, 5.3 cun inferior to Zhangmen (LR13) and anterior and inferior to the anterior superior iliac spine (ASIS). This places it approximately 0.5 cun anterior and inferior to Wushu (GB27).

What is GB28 used for?

GB28 regulates the Dai Mai, resolves dampness, descends rebellious Qi, and harmonizes the Sanjiao. Common clinical indications include incessant rebellious vomiting, water swelling (edema), Sanjiao disharmony, no desire to eat, incessant rebellious cough, water qi in the Sanjiao, inability to eat, abdominal fullness, waist feels like sitting in water.

How is GB28 needled?

Perpendicular insertion, 0.8 to 1.5 cun.

Which meridian is GB28 on?

GB28 is a point on the Gallbladder Channel Meridian (Zú Shàoyáng Dǎnjīng).

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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.