LR5 Woodworm Canal

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

LR5 (Lǐ Gōu, “Woodworm Canal”) is the Luo-connecting point of the Liver Channel of Foot Jueyin Meridian. It is located on the medial aspect of the lower leg, 5 cun superior to the medial malleolus, posterior to the medial border of the tibia. It spreads Liver Qi, regulates Qi, clears damp-heat, benefits genitalia.

Location

On the medial aspect of the lower leg, 5 cun superior to the medial malleolus, posterior to the medial border of the tibia.

Needling

Perpendicular insertion 0.5-1.0 cun.

TCM functions

Spreads Liver Qi, regulates Qi, clears damp-heat, benefits genitalia.

Indications

Hernia, painful urination, pruritus vulvae, irregular menstruation, retention of urine.

Luo-connecting

Clinical notes

LR5 is the Luo-connecting point of the Liver, giving it a strong influence over the Liver and Gallbladder meridians and their respective organs, as well as the superficial Luo channels. It is renowned for treating genitourinary disorders, especially those involving damp-heat or stagnation, such as pruritus vulvae, difficult urination, and priapism. It is also used to regulate rebellious Qi and calm emotional disturbances.

On the Liver Channel of Foot Jueyin channel

LR5 is one of 14 points on the Liver Channel of Foot Jueyin Meridian. Nearby points:

Frequently asked questions

Where is LR5 located?

LR5 (Lǐ Gōu) is located on the medial aspect of the lower leg, 5 cun superior to the medial malleolus, posterior to the medial border of the tibia.

What is LR5 used for?

LR5 spreads Liver Qi, regulates Qi, clears damp-heat, benefits genitalia. Common clinical indications include hernia, painful urination, pruritus vulvae, irregular menstruation, retention of urine.

How is LR5 needled?

Perpendicular insertion 0.5-1.0 cun.

Which meridian is LR5 on?

LR5 is a point on the Liver Channel of Foot Jueyin Meridian (Zú Juéyīn Gānjīng).

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⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.