LI20

Yingxiang

Star

迎香 (Yíngxiāng) — Welcome Fragrance

Large Intestine channel · point 20

Not yet clinically reviewed

Meeting point of the Large Intestine and Stomach channels

Traditionally used for

  • Nose & throat
  • Nerves & recovery
  • Skin

Location

On the face, in the nasolabial groove, level with the midpoint of the lateral border of the ala nasi.

How to locate: With the patient seated or supine, find the midpoint of the lateral border of the ala of the nose; the point is directly beside it in the nasolabial groove, which deepens when the patient smiles.

Regional anatomy: The needle passes through the skin and subcutaneous tissue into levator labii superioris; branches of the facial artery and vein run nearby.

Distances are in cun, a proportional unit — how to measure.

Body map, front: LI20 · Head & face
Fig. — LI20 · Head & face After Albinus, 1747
Body map, front: LI20 · Head & face

LI20 · Head & face · Albinus, Tabulae sceleti et musculorum, 1747

The skull, from the front — Gray's Anatomy plate
The skull, from the front Gray's Anatomy, 1918
The skull, from the front — Gray's Anatomy plate

The skull, from the front · Gray's Anatomy, 1918

Needling

Cited needling

Techniques — the source gives these as alternatives:

  1. Transverse insertion — medio-superiorly
    Depth 0.3–0.5 cun
    skindeeper
  2. Through-needling — to Bitong (M-HN-14) at the highest point of the nasolabial groove

Depths describe average adult habitus in the cited population, never a single safe number for the patient in front of you. Palpate and adjust.

Sources (1)
  1. Deadman P, Al-Khafaji M, Baker K. A Manual of Acupuncture. Hove: Journal of Chinese Medicine Publications; 1998 — p. 120 Supports: techniques (names this point)

Site notes · not cited

Depth: 0.2–0.5 cun
Angle: Oblique, directed medially toward the nose (or toward Bitong for sinus complaints)

Functions

  • Opens the nasal passages and expels wind
  • Clears heat and benefits the nose
  • Activates the channel and relieves facial pain

Indications

Nasal congestion, rhinitis and sinusitisloss of sense of smellnosebleedfacial paralysis and facial itchingbiliary ascariasis (classical)

Clinical Notes

The definitive local point for the nose. Its name — "welcome fragrance" — records its use for restoring the sense of smell.

Combinations Using This Point

Similar Points

Sources

  • World Health Organization. WHO Standard Acupuncture Point Locations in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific, 2008. (Location.)
  • Focks C, ed. Atlas of Acupuncture. Edinburgh: Churchill Livingstone Elsevier, 2008. (Locating method and actions.)

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