These 9 acupuncture points have very similar functions! GB 8 - 1.5 cun directly above the ear apex. Great acupuncture point for migraine, vertigo and hangover! GB 9 - 0.5 cun posterior to GB 8. Calms the mind for phobia. GB 10 - at the junction of the upper & middle 1/3 of the curve connecting GB 9 & GB 12. Ear pain & tinnitus. GB 11 - at the junction of the lower & middle 1/3 of the curve connecting GB 9 & GB 12. Ear pain, temporal headache. GB 12 - posterior & inferior to the mastoid process. Great acupuncture point for insomnia, neck pain & high blood pressure. SJ 17 - between the mastoid process & the mandible angle. Used for tinnitus, toothache and facial paralysis. SJ 18 - at the junction of the lower & middle 1/3 of the curve connecting SJ 17 & SJ 20. Ear pain, temporal