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This is the meeting point of the three leg yin channels (Spleen, Liver and Kidney). It is one of the most important points for gynaecology, digestion, and nourishing blood and yin.
Location
On the medial aspect of the lower leg, 3 cun superior to the prominence of the medial malleolus, in a depression on the posterior border of the medial crest of the tibia.
Anatomy
Posterior to the tibia on flexor digitorum longus and soleus; the great saphenous vein and posterior tibial artery and vein; the medial crural cutaneous nerve and tibial nerve.
Actions & Functions
- Tonifies the Spleen and resolves dampness
- Harmonises the Liver and tonifies the Kidney
- Nourishes blood and yin
- Regulates menstruation and induces labour
- Benefits urination and the genitals; calms the mind
Indications
Gynaecological and obstetric disorders (irregular or painful menstruation, infertility, difficult labour), digestive complaints, insomnia, urogenital disorders, oedema, and blood and yin deficiency.
Needling
0.5-1.0 cun, perpendicular insertion.
Moxibustion Suitability
Suitable for moxibustion; indirect moxa supports tonification of the Spleen, blood and yin and warms cold patterns. Avoid moxa during pregnancy.
Point Combinations
With ST-36 to tonify qi and blood; with CV-4 for gynaecological and urogenital disorders; with LV-3 to regulate the Liver.
Classical Text References
- Classically the great meeting of the three leg yin channels.
- The Systematic Classic of Acupuncture (Zhen Jiu Jia Yi Jing) lists it for menstrual and abdominal disorders.
Cautions & Contraindications
Contraindicated in pregnancy until term, as it promotes labour.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.
