LI4 Joining Valley

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

LI4 (Hé Gǔ, “Joining Valley”) is the Yuan-source point of the Large Intestine Meridian. It is located on the dorsum of the hand, between the first and second metacarpal bones, approximately at the midpoint of the second metacarpal bone on the radial side. It regulates Qi and blood, alleviates pain, expels wind, releases exterior.

Location

On the dorsum of the hand, between the first and second metacarpal bones, approximately at the midpoint of the second metacarpal bone on the radial side.

Needling

Perpendicular insertion 0.5-1 cun. Contraindicated in pregnancy.

⚠ Pregnancy: avoid — may stimulate uterine contraction (miscarriage / early-labour risk).

TCM functions

Regulates Qi and blood, alleviates pain, expels wind, releases exterior.

Indications

Headache, toothache, pain in the eye, sore throat, facial paralysis, febrile diseases, dysmenorrhea, delayed labor.

Yuan-sourceCommand point of the face and mouth

Clinical notes

LI-4 is a powerhouse Yuan-source point and the command point for the face and mouth, making it one of the most frequently used acupuncture points. It excels at regulating Qi and blood, alleviating pain, expelling wind, and releasing the exterior, addressing a vast array of conditions from headaches and toothaches to common colds and menstrual pain. Its strong analgesic effect is well-known, and it is classically paired with LV-3 (Tài Chōng) as the 'Four Gates' to regulate Qi and blood throughout the body.

On the Large Intestine channel

LI4 is one of 20 points on the Large Intestine Meridian. Nearby points:

Frequently asked questions

Where is LI4 located?

LI4 (Hé Gǔ) is located on the dorsum of the hand, between the first and second metacarpal bones, approximately at the midpoint of the second metacarpal bone on the radial side.

What is LI4 used for?

LI4 regulates Qi and blood, alleviates pain, expels wind, releases exterior. Common clinical indications include headache, toothache, pain in the eye, sore throat, facial paralysis, febrile diseases, dysmenorrhea, delayed labor.

How is LI4 needled?

Perpendicular insertion 0.5-1 cun. Contraindicated in pregnancy. Caution: ⚠ Pregnancy: avoid — may stimulate uterine contraction (miscarriage / early-labour risk).

Which meridian is LI4 on?

LI4 is a point on the Large Intestine Meridian (Shǒu Yángmíng Dàcháng Jīng).

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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.