Liver 5 (LV 5) Li Gou — Woodworm Canal

This is the Luo-Connecting point of the Liver channel. It resolves damp-heat in the lower burner, benefits the genitals and is a principal point for genital itching and abnormal vaginal discharge.

Liver 5 (LV 5) Li Gou 蠡溝 — Woodworm Canal

Location

On the medial aspect of the lower leg, 5 cun proximal to the prominence of the medial malleolus, on the medial border of the tibia.

Anatomy

On the medial surface of the tibia; the great saphenous vein and posterior tibial vessels; the saphenous nerve.

Actions & Functions

  • Resolves damp-heat in the lower burner
  • Spreads Liver qi and benefits the genitals
  • Regulates menstruation

Indications

Genital itching and swelling, abnormal vaginal discharge, irregular menstruation, difficult or painful urination, hernia, and a sensation of a lump in the throat (plum-stone qi).

Needling

0.3-0.5 cun, transverse or oblique insertion along the tibia.

Moxibustion Suitability

Suitable for moxibustion.

Point Combinations

With SP-6 and SP-9 for abnormal vaginal discharge; with LV-3 to spread Liver qi.

Classical Text References

The Luo-Connecting point of the Liver, classically used for genital and urinary damp-heat.

Cautions & Contraindications

None specific.

Latest Research

Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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PubMed research

Acupuncture Shows Sustained Benefits for Chronic Daily Headache Prevention in Adults, Meta-Analysis Finds

Research summary (Acupuncture): Utility of Acupuncture Therapy for Adult Chronic Daily Headache Prophylaxis: A Systematic Review and Meta-Analysis. - Medical science monitor : international medical journal of experimental and clinical research, 2026.