1 cun posterior to Yifeng (S.J. 17), on the lower border of the mastoid.
Atrophy of the optic nerve, myopia, cataract, tinnitus, insomnia, parotitis. Eye diseases, tinnitus, insomnia.
0
0.5 - 1.0 inch perpendicularly or obliquely towards cricoid cartilage or tip of nose.