In the perineum, at the midpoint of the line joining the anus and scrotum in the male or the anus and posterior labial commissure in the female.
- ①Asphyxia caused by drown, coma, epilepsy and mania;
- ②dysuria, enuresis, pain in the vulva, prolapse of uterus, pruritus vulvae, proctoptosis, hemorrhoid;
- ③seminal emissions;
- ④irregular menstruation.
Perpendicular insertion 0.5-1 cun.
It is contraindicated to pregnant women.