Waterway.
On the lower abdomen, 2 cun lateral to the midline and 3 cun inferior to the umbilicus, level with Guanyuan REN.4.
Cleans damp-heat, moves Qi, moves blood.
- Reproductive system: dysmenorrhea (cold-damp syndrome), priapism, cold in the uterus.
- Urinary system: urinary retention, difficult and painful urination, heat syndrome in Xia Jiao, cold bladder syndrome, pain in the external genitals.
- Features: pain and abdominal distension, constipation, pain in spine.
Puncture perpendicularly 0.5 - 1 cun. Cauterization.