LR1 Big Mound

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

LR1 (Dà Dūn, “Big Mound”) is the Jing-Well (Wood) point of the Liver Channel of Foot Jueyin Meridian. It is located on the dorsal aspect of the great toe, in the depression lateral to the distal phalanx, 0.1 cun proximal to the corner of the nail. It regulates Qi, stops bleeding, revives consciousness.

Location

On the dorsal aspect of the great toe, in the depression lateral to the distal phalanx, 0.1 cun proximal to the corner of the nail.

Needling

Perpendicular or oblique insertion 0.1-0.2 cun, or prick to bleed.

TCM functions

Regulates Qi, stops bleeding, revives consciousness.

Indications

Hernia, enuresis, uterine bleeding, prolapse of uterus, epilepsy.

Jing-Well (Wood)

Clinical notes

As the Jing-Well and Wood point of the Liver meridian, LR1 is crucial for regulating Liver Qi and addressing acute, severe conditions. It is best known for its ability to stop bleeding, especially uterine bleeding and menorrhagia, and to revive consciousness in cases of collapse or shock. It also has a strong effect on the genital region, treating hernia, painful urination, and priapism. Its classical use includes treating shan disorder (hernia) and enuresis, often by moxa.

On the Liver Channel of Foot Jueyin channel

LR1 is one of 14 points on the Liver Channel of Foot Jueyin Meridian. Nearby points:

Frequently asked questions

Where is LR1 located?

LR1 (Dà Dūn) is located on the dorsal aspect of the great toe, in the depression lateral to the distal phalanx, 0.1 cun proximal to the corner of the nail.

What is LR1 used for?

LR1 regulates Qi, stops bleeding, revives consciousness. Common clinical indications include hernia, enuresis, uterine bleeding, prolapse of uterus, epilepsy.

How is LR1 needled?

Perpendicular or oblique insertion 0.1-0.2 cun, or prick to bleed.

Which meridian is LR1 on?

LR1 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.