Ci, second; liao, foramen.
The point is at the second posterior sacral foramen.
The midpoint of the line connecting Pangguangshu and the lower border of the spinous process of the 2nd sacral vertebra.
- 1.main point of the urinary system: cystitis, retention, enuresis, etc.
- 2.main point for diseases of the genital system: impotence, spermatorrhea, irregular menstruation, dysmenorrhea, prolonged labor, etc.
- 3.pain of the local area.
- 4.main point of the acupuncture anaesthesia in the lower abdomen.
Puncture perpendicularly 1-1.5 cun, but not too deep lest the sacral nerve be hurt.