Atlas of Acupuncture

4 Acupuncture Points of the Twelve Primary Channels

Location

At the intersection of a vertical line through the outer canthus of

the eye with the lower border of the zygomatic bone, on the ante-

rior border of the masseter muscle.

How to find

Draw an imaginary vertical line from the outer canthus of the

eye to the lower border of the zygomatic bone. S.I.-18is located

in a depression on the anterior border of the masseter muscle,

approximately on the level of the lateral border of the ala nasi

(➞L.I.-20). By making chewing movements, the anterior bor-

der of the masseter muscle becomes easily palpable.

Needling

0.3–0.5 cun vertically or 1–1.5 cun transversely (subcutaneously)

in the direction of ➞ST-4, ➞ST-7and ➞L.I.-20. According to

some texts, moxibustion is contraindicated.

Actions/Indications

● Eliminates Wind, alleviates pain, clears Heat, reduces swellings

Special features

Meeting point with the Triple Burner channel. Important local

point for disorders of the face (caused by internal or external

Wind).

S.I.-18 Cheekbone Crevice QUANLIAO

BL-2

Ex-HN 4

ST-1

ST-2

Ex-HN 8

BL-1

G.B.-14

Ex-HN-7

ST-4

Ex-HN 3

L.I.-20

G.B.-13

T.B.-23

L.I.-19

Du-24

G.B.-15

G.B.-2 ST-7

ST-5

Du-26

G.B.-1

S.I.-18

ST-8 BL-4

BL 3

BL-5 Du-23

Ex-HN Ren 24

Lower border

of the zygomatic

arch

S.I.-18

Lateral margin

of the orbit

Anterior border

of the masseter

Anterior bony aperture of the nose

Zygomatic

bone

Orbit

ST-2

Infraorbital

foramen

Upper jaw

S.I.-18

S.I.-18

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