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POINT: KI-12 (KIDNEY-12)  

English: Great Luminance
Also Known As: Great Brightness
Great Clarity
  • Located 0.5 cun lateral to REN-3 Zhongji, on the lower abdomen.
  • Located 4 cun below the umbilicus and 0.5 cun lateral to REN-3 Zhongji.
  • On the lower abdomen, 4 cun below the umbilicus, 1 cun superior to the superior border of the symphysis pubis, 0.5 cun lateral to the midline (REN-3 Zhongji).
  • Straight insertion 1 to 1.5 cun.
  • Puncture perpendicularly 0.5 to 1 cun.
  • Caution: deep insertion will penetrate a full Bladder which should therefore be emptied prior to treatment.
  • Moxibustion is applicable.
  • Meeting pain with the Chong channel
  • Tonifies the Kidneys
  • Astringes Jing
  • Spermatorrhea
  • Leukorrhea
  • Neuralgia of the spermatic cord
  • Pain of the penis
  • Retraction of the penis
  • Redness of the eye originating at the inner canthus
  • Nocturnal emissions
  • Impotence
  • Morbid leukorrhea
  • Pain in the external genitalia
  • Uterine prolapse
  • Red leukorrhea
  • Deficiency-taxation



Seminal emission

Retraction of the penis

  • This point relates to warmth, desire and passion.
  • One major source locates the points KI-11 through KI-17 one cun lateral to the midline.