LU10 Fish Border

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

LU10 (Yuji, “Fish Border”) is the Ying-Spring point of the Lung Channel of Hand Taiyin Meridian. LU10 is on the radial aspect of the hand, at the midpoint of the first metacarpal bone, on the border between the red and white flesh. It clears Lung heat, benefits the throat.

Location

LU10 is on the radial aspect of the hand, at the midpoint of the first metacarpal bone, on the border between the red and white flesh.

Needling

Perpendicular insertion 0.5-0.8 cun, or prick to bleed.

TCM functions

Clears Lung heat, benefits the throat.

Indications

Cough, sore throat, fever, asthma.

Ying-Spring

Clinical notes

LU10, as the Ying-Spring point, is classically indicated for clearing heat from the Lung meridian, particularly useful for acute conditions like sore throat, hoarseness, and cough with yellow sputum. Its location on the thenar eminence makes it accessible for local treatment of hand and wrist pain. It is a key point for treating Lung heat affecting the throat and voice. For acute sore throat, it is often bled.

On the Lung Channel of Hand Taiyin channel

LU10 is one of 11 points on the Lung Channel of Hand Taiyin Meridian. Nearby points:

Frequently asked questions

Where is LU10 located?

LU10 is on the radial aspect of the hand, at the midpoint of the first metacarpal bone, on the border between the red and white flesh.

What is LU10 used for?

LU10 clears Lung heat, benefits the throat. Common clinical indications include cough, sore throat, fever, asthma.

How is LU10 needled?

Perpendicular insertion 0.5-0.8 cun, or prick to bleed.

Which meridian is LU10 on?

LU10 is a point on the Lung Channel of Hand Taiyin Meridian (Shǒu Tàiyīn Fèijīng).

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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.