Location
( GV-17 Brain's Door NAOHU - Acupuncture Points ) In a depression superior to the external occipital protuberance, approximately 2.5 cun superior to the posterior hairline or 1.5 cun superior to GV-16.

How to find
First, locate the external occipital protuberance, which forms a hump-shaped projection on the posterior surface of the occipital bone. Next, locate GV-17 on the posterior midline, in a depression directly superior to the protuberance. This corresponds to a distance of approximately 2.5 cun superior to the posterior hairline.
--GV-16 is located directly inferior to the protuberance, whereas ? BL-9 is located 1.3 cun lateral to GV-17.

Needling
0.5–1 cun transversely (subcutaneously) in an inferior or superior direction. Moxibustion controversial.

Actions/Indications
Dispels Wind
Opens the channel
Benefits the eyes
Calms the shen

Special features
Meeting point with the BL channel