Du Mai(Governing Vessel) July 13, 2020 0 comments GV 17 – NAOHU Du Mai Meridian Acupuncture Point GV 17 – Chinese name: NAOHU Location On the head, 2.5 cun directly above the midpoint of the posterior hairline, 1.5 cun above Du 16, in the depression superior to the exterior occipital protuberance. Indications Vertigo. Posterior headache.