Atlas of Acupuncture

4 Acupuncture Points of the Twelve Primary Channels

Location

In the nasolabial groove, on the level of the midpoint of the lat-

eral border of the ala nasi.

How to find

L.I.-20is located by finding the midpoint of the lateral border of

the ala nasi (➞3.1.2) and following it to the nasolabial groove.

Tip: The nasolabial groove becomes more pronounced if you ask

the patient to smile.

Needling

0.3–0.5 cun vertically, obliquely or transversely (subcuta-

neously) in a medial and superior direction towards the extra

point ➞EX-HN-8(shangyingxiangor bitong: at the upper end

of the nasolabial groove, at the transition between the nasal bone

and the cartilage). According to some authors, moxibustion is

contraindicated.

Actions/Indications

● Opens the nasal passages, expels Wind, clears Heat

Special features

Meeting point with the ST channel, exit point. Most important

local point for disorders of the nose.

L.I.-20 Welcome Fragrance YINGXIANG

L.I.-20 Nasolabial groove

Midpoint of the lateral border

of the ala nasi

ST-1

ST-2

Ex-HN

Ex-HN-8

Ex-HN-7

ST-4

L.I.-20

L.I.-19

G.B.-2 ST-7

ST-5

Ren-24

D.U.-26

S.I.-18

Maxilla

(upper

jaw)

L.I.-20

Ex-HN-8

(bitong)

Nasolabial groove

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