On the upper lip, immediately below the lateral margin of the nostril, at the level of GV-26 (Shuigou).
🧭 How to find it (practical)
Seated with the neck extended or in an upright posture, first locate Shui Gou (GV-26). Locate LI-19 0.5 cun lateral to it.
🔬 Anatomy
Orbicularis oris muscle, levator labii superioris muscle. Innervated by the superior labial branches of the facial nerve and the infraorbital nerve (a branch of the trigeminal).
💉 Needling
Oblique or transverse insertion, 0.3–0.5 cun.
📜 Etymology
Kou (口), mouth; He (禾), refers to bamboo, the area around the lips where the mustache and beard grow; Liao (髎), bone hole. The point lies near the incisor tooth.