SP6 (Sānyīnjiāo, “Three Yin Intersection”) is the Meeting point of the three leg yin meridians point of the Spleen Channel Meridian. It is located on the medial side of the lower leg, 3 cun superior to the tip of the medial malleolus, posterior to the medial border of the tibia. It strengthens the Spleen, harmonizes the Liver and Kidney, regulates menstruation.
On the medial side of the lower leg, 3 cun superior to the tip of the medial malleolus, posterior to the medial border of the tibia.
Perpendicular insertion 1-1.5 cun.
Strengthens the Spleen, harmonizes the Liver and Kidney, regulates menstruation.
Abdominal pain, diarrhea, irregular menstruation, dysmenorrhea, insomnia, urinary disorders.
SP6 is one of the most versatile and frequently used points in acupuncture, being the meeting point of the three leg yin meridians (Spleen, Liver, Kidney). It is a powerhouse for strengthening the Spleen, harmonizing the Liver and Kidney, and regulating menstruation, making it indispensable for gynecological and obstetric conditions. It is widely used for digestive disorders, urinary problems, insomnia, and emotional imbalances due to its broad influence on yin organs and blood. Due to its strong descending action, it is contraindicated in pregnancy until term.
SP6 is one of 21 points on the Spleen Channel Meridian. Nearby points:
SP6 (Sānyīnjiāo) is located on the medial side of the lower leg, 3 cun superior to the tip of the medial malleolus, posterior to the medial border of the tibia.
SP6 strengthens the Spleen, harmonizes the Liver and Kidney, regulates menstruation. Common clinical indications include abdominal pain, diarrhea, irregular menstruation, dysmenorrhea, insomnia, urinary disorders.
Perpendicular insertion 1-1.5 cun. Caution: ⚠ Pregnancy: avoid — may stimulate uterine contraction (miscarriage / early-labour risk).
SP6 is a point on the Spleen Channel Meridian (Zú Tài Yīn Pí Jīng).