Bladder July 7, 2020 0 comments BL 6 – CHENGGUAN Bladder Meridian Acupuncture Point BL 6 – Chinese name: CHENGGUAN Location 2.5 cun superior to the anterior hairline and 1.5 cun lateral to the midline or one third of the distance between GV 24 and ST 8. Indications Headaches along the bladder channel. Diseases of the eye.