后溪
SI3 Acupuncture Point

Houxi

Back Ravine

Small Intestine Channel
Location

On the outer edge of the hand, just behind the head of the fifth metacarpal bone, in a depression formed when the hand is loosely closed.

Traditional functions

Associated with neck and upper back stiffness, and is a key point for the Governing Vessel.

← Back to the full point list

This entry is a plain-language reference, not a guide to self-treatment. Acupuncture point locations require hands-on training to identify and use safely — please see a licensed acupuncturist for treatment.