GB20 Wind Pool

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

GB20 (Fengchi, “Wind Pool”) is the Meeting point of GB, SJ, Yangwei, & Yangqiao point of the Gallbladder Channel Meridian. It is located in the posterior nuchal region, in the depression between the origins of the sternocleidomastoid and trapezius muscles, level with GV16. It dispels wind, clears heat, and benefits the head and eyes.

Location

In the posterior nuchal region, in the depression between the origins of the sternocleidomastoid and trapezius muscles, level with GV16.

Needling

Perpendicular or oblique insertion towards the opposite eye 0.5-1.5 cun. Caution: deep insertion may injure the medulla oblongata.

TCM functions

Dispels wind, clears heat, and benefits the head and eyes.

Indications

Headache, neck stiffness, dizziness, blurred vision, common cold, hypertension.

Meeting point of GB, SJ, Yangwei, & YangqiaoWindow of the Sky

Clinical notes

GB20, 'Wind Pool', is one of the most important points for dispelling wind, whether external or internal, making it indispensable for headaches (especially occipital), neck stiffness, and common colds. As a Window of the Sky point, it regulates the ascending and descending of qi to the head, benefiting the sense organs, particularly the eyes and ears, and calming the spirit. It is classically paired with GV16 for expelling wind and clearing the head.

On the Gallbladder Channel channel

GB20 is one of 44 points on the Gallbladder Channel Meridian. Nearby points:

Frequently asked questions

Where is GB20 located?

GB20 (Fengchi) is located in the posterior nuchal region, in the depression between the origins of the sternocleidomastoid and trapezius muscles, level with GV16.

What is GB20 used for?

GB20 dispels wind, clears heat, and benefits the head and eyes. Common clinical indications include headache, neck stiffness, dizziness, blurred vision, common cold, hypertension.

How is GB20 needled?

Perpendicular or oblique insertion towards the opposite eye 0.5-1.5 cun. Caution: deep insertion may injure the medulla oblongata.

Which meridian is GB20 on?

GB20 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.