SP6 (Sānyīnjiāo, “Three Yin Intersection”) is the Meeting point of the three foot yin channels point of the Spleen Channel Meridian. It is located on the medial aspect of the lower leg, in a depression just posterior to the tibial border, 3 cun superior to the prominence of the medial malleolus. It tonifies the Spleen, Liver, and Kidneys, regulates menstruation, resolves dampness, harmonizes the lower jiao, calms the spirit, and invigorates blood.
On the medial aspect of the lower leg, in a depression just posterior to the tibial border, 3 cun superior to the prominence of the medial malleolus.
Perpendicular insertion 1.0 to 1.5 cun, slightly posterior to the tibia.
Tonifies the Spleen, Liver, and Kidneys, regulates menstruation, resolves dampness, harmonizes the lower jiao, calms the spirit, and invigorates blood..
Abdominal distention, borborygmus, loose stools, undigested food in stool, spleen disease with heaviness of the body, inability to lift the four limbs, coldness in the abdomen, abdominal masses (, ), pain in the inner thigh and knee, difficulty urinating, foot weakness (atrophy) and inability to walk, hernia, seminal emission, nocturnal emissions, male genital pain, impotence, insomnia, fright and inability to sleep, tetany with cold limbs, cholera with cold hands and feet, vomiting water after eating, water swelling , women's irregular menstruation, uterine bleeding , amenorrhea, infertility, difficult labor, retained placenta, postpartum fainting from blood loss, postpartum retained lochia, leukorrhea (red and white), sudden death after childbirth, infantile convulsions ..
As the meeting point of the three foot yin channels, Sanyinjiao is a paramount point for treating disorders of the Spleen, Liver, and Kidney. It is exceptionally important for digestive issues, such as abdominal distention and diarrhea, and is arguably the most significant distal point for gynecological and urogenital conditions, including menstrual irregularities, infertility, and seminal emission. Its ability to calm the spirit also makes it useful for insomnia, especially when rooted in yin or blood deficiency.
SP6 is one of 21 points on the Spleen Channel Meridian. Nearby points:
SP6 (Sānyīnjiāo) is located on the medial aspect of the lower leg, in a depression just posterior to the tibial border, 3 cun superior to the prominence of the medial malleolus.
SP6 tonifies the Spleen, Liver, and Kidneys, regulates menstruation, resolves dampness, harmonizes the lower jiao, calms the spirit, and invigorates blood. Common clinical indications include abdominal distention, borborygmus, loose stools, undigested food in stool, spleen disease with heaviness of the body, inability to lift the four limbs, coldness in the abdomen, abdominal masses (, ), pain in the inner thigh and knee, difficulty urinating, foot weakness (atrophy) and inability to walk, hernia, seminal emission, nocturnal emissions, male genital pain, impotence, insomnia, fright and inability to sleep, tetany with cold limbs, cholera with cold hands and feet, vomiting water after eating, water swelling , women's irregular menstruation, uterine bleeding , amenorrhea, infertility, difficult labor, retained placenta, postpartum fainting from blood loss, postpartum retained lochia, leukorrhea (red and white), sudden death after childbirth, infantile convulsions.
Perpendicular insertion 1.0 to 1.5 cun, slightly posterior to the tibia. Caution: Traditionally avoided or used with caution in PREGNANCY (strong qi/blood-moving or labour-promoting action). Contraindicated in pregnancy. The Zhen Jiu Ju Ying recounts a story of its use to induce abortion and discusses the principle: draining SP6 (Blood) and supplementing LI4 (Qi) causes the fetus to descend.
SP6 is a point on the Spleen Channel Meridian (Zú Tài Yīn Pí Jīng).