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Spleen Meridian (Foot Greater Yin) Points

SP-6 (San Yin Jiao)


Chinese Name:

Sanyinjiao 三阴交

English translation:

Three Yin Intersection


On the medial aspect of the lower leg, 3 cun above the medial malleolus, on the posterior border of the medial aspect of the tibia.


Crossing point of the Spleen, Kidney and Liver Meridians.


Stomach & Spleen Xu (poor digestion / poor appetite / xu vomiting ), borborygmus with abdominal distension, menstrual disorders (irregular menses / amenorrhoea / dysmenorrhoea / menorrhagia), spermatorrhoea, lin syndrome (dysuria) urinary incontinence, oedema.
Diarrhoea, vaginal discharge, uterine haemorrhage, uterine prolapse, female infertility, difficult labour, retention of lochia, restless foetus, dizziness/vertigo, impotence, pain in penis or scrotum, hernia, paralysis of lower extremities (wei syndrome), bi syndrome of legs, knee pain, foot swelling, abdominal pain, cold limbs, skin rashes, heavy sensation in body.
Diseases of reproductive system, diseases of genital organ system of male and female, diseases of the head, foetal death in utero, post-partum haemorrhage, post-partum syncope, cloudy urine, white turbid urethral discharge, blepharochalasis (relaxation of skin of eyelid), neuraesthenia, emptiness of gall bladder organ, lower jaw relaxed, cannot close mouth, pain control, frigidity, high blood pressure, fullness in the neck, throat bi, infant disruption, pulmonary distension with phlegm cough and inability to lie down.


Strengthens the Spleen and Stomach, resolves dampness, harmonizes the Liver, strengthens the Kidneys, nourishes Blood and Yin, regulates menstruation, cools and invigorates the Blood, benefits urination, calms the Shen.


SP 6 is one of the most commonly used points and one of the most versatile. Because the point crosses the Spleen, Kidney and Liver meridians, it can treat many conditions associated with all three organs. It's an important point in the treatment of any digestive, gynecological and emotional condition.


Perpendicular insertion 1.0 - 1.5 cun. Do not needle during pregnancy.

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