Shà ng guān（GB3）is on Gallbladder channel of foot shaoyang.
Location: straight up from xia guan point S7 (ST 7) , at the edge of the zygomatic arch.
Application; headache, tinnitus and deafness, tooth pain, drooping of eyes and mouth, facial pain, epilepsy.
Acupuncture method: straight insertion 0.5 - 1 cun .
上關穴 GB 3為足少陽膽經之穴。
定位；下關穴直上，顴骨弓上緣處。
主治；頭痛，耳鳴耳聾，齒痛，口眼喎斜，臉痛，驚癇。
刺法；直刺 0.5-1寸。