SP 6

Acupuncture Point Theory

SP 6 Acupuncture Point Applications and Theory

The acupuncture point "SP 6" , 三陰交, is represented by "Sanyinjiao" in pinyin and "Three Yin Intersection" in english and may be found:

3 cun directly above the tip of the medial malleoulus on the posterior border of the tibia.


Of many possible clinical applications, it may be considered to influence the following issues/symptoms:

  • Tonify Yin and Blood, all Spleen disorders.
  • Digestive disorders, sinking/prolapse.
  • Gynecological issues, male sexual issues, difficult labor (expel fetus).
  • Menstrual issues (irregular, amenorrhea, dysmenorrhea).
  • Bleeding disorders, uterine bleeding, cool blood in hot skin diseases.
  • Insomnia, palpitations, and other anxiety related emotions.
  • Dizziness, hypertension.

SP 6 has some precautions to be considered (see our precautions list).

Cautions with pregnancy (PG)


Sp 6 has the following theoretical associations which serve as important guideposts in designing an effective treatment protocol:

  • Intersection point of the SP, LV and KD (3 leg yin meridians)

A single acupuncture point is not commonly thought of as an empirical way to influence a TCM diagnostic pattern. SP6, however, is a strong candidate to be incorporated into an acupuncture protocol for patients who exhibit: Kidney Yin Deficiency and/or Spleen Qi Deficiency

SP 6 may potentially be used, in coordination with a well designed acupuncture treatment protocol, to influence the following conditions: Amenorrhea (Absence of Menstruation), Anxiety, Depression, Dysmenorrhea (Menstrual Pain - Cramps), Erectile Dysfunction (ED), Insomnia, Irregular Menstruation, Organ Prolapse, Palpitations and/or Uterine Bleeding

While not necessarily valid clinically, KD 7 (Tonifies KD Yang, especially with respect to wate…), KD 8 (Issues of movement and mobility of the medial asp…) and LV 5 (Genital Issues, especially damp-heat related infe…) are nearby.

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