
Location
Face, in nasolabial groove, beside ala of nose
Needling Depth
0.2–0.3 cun, oblique
Shallow — low depth risk.
Always palpate landmarks and angle away from vital structures. Chest/neck: oblique, shallow only.
Appears in Formulas
Large Intestine Meridian Flow
Metal · Yang · peak 5–7 AMQi flowing along the Large Intestine — direction of animation reflects channel flow.
My notes on LI 20