GB19 Brain Hollow

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

GB19 (Naokong, “Brain Hollow”) is the Meeting point of GB, UB, & Yangwei point of the Gallbladder Channel Meridian. It is located on the head, 1.5 cun posterior to GB18, 2.25 cun lateral to the midline, level with GV17. It dispels wind, clears heat, and benefits the head.

Location

On the head, 1.5 cun posterior to GB18, 2.25 cun lateral to the midline, level with GV17.

Needling

Subcutaneous insertion 0.5-1 cun. Avoid major blood vessels.

TCM functions

Dispels wind, clears heat, and benefits the head.

Indications

Headache, neck pain, stiffness, dizziness, blurred vision.

Meeting point of GB, UB, & Yangwei

Clinical notes

GB19, 'Brain Hollow', is a crucial point for dispelling wind and clearing heat from the head, making it highly effective for occipital headaches, neck stiffness, and dizziness. As a meeting point of the Gallbladder, Bladder, and Yangwei meridians, it has a strong influence on the posterior head and neck, addressing conditions like blurred vision and tinnitus. It is empirically used for brain-related issues, including post-concussion syndrome.

On the Gallbladder Channel channel

GB19 is one of 44 points on the Gallbladder Channel Meridian. Nearby points:

Frequently asked questions

Where is GB19 located?

GB19 (Naokong) is located on the head, 1.5 cun posterior to GB18, 2.25 cun lateral to the midline, level with GV17.

What is GB19 used for?

GB19 dispels wind, clears heat, and benefits the head. Common clinical indications include headache, neck pain, stiffness, dizziness, blurred vision.

How is GB19 needled?

Subcutaneous insertion 0.5-1 cun. Avoid major blood vessels.

Which meridian is GB19 on?

GB19 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.