SP 1 Acupuncture Point

Spleen 1, Abbreviated as SP 1, Transliterated Yinbai in Chinese, Hidden White in English.

SP 1 Acupuncture Point Location:

On the medial side of the great toe, 0.1 cun posterior to the corner of the nail.

SP 1 Acupuncture Point Indications:

  • Menorrhagia, metrorrhagia, bloody stools, hematuria
  • Abdominal distention
  • Manic psychosis, nightmares, convulsions

SP 1 Acupuncture Point Benefits:

Stops bleeding, regulates the Spleen, calms the shen, revives consciousness.


Jing-Well point of the Spleen Meridian.


Using moxa on SP 1 can stop bleeding anywhere in the body, especially uterine bleeding. Jing-Well points are where the qi bubbles up. Jing-Well points are indicated to revive consciousness. Jing-Well points are known to treat fullness below the Heart and clear Heat.