4 Acupuncture Points of the Twelve Primary Channels
Location
4 cun superior to the anterior hairline or 1 cun anterior to ➞Du-20
and 2.25 cun lateral to the midline.
How to find
First, locate ➞Du-20(at the junction of the vertical midline and a
line connecting the apices of the ears, distance to the anterior hair-
line5 cun). Next, locate G.B.-181 cun anterior to ➞Du-20on
the curved line connecting ➞G.B.-15and ➞G.B.-20(extension
of the pupil line, midway between ➞ST-8and ➞Du-24).
➞BL-7is located on the same level (1 cun anterior to ➞Du-20),
but 1.5 cun lateral to the midline.
Needling
0.3–1.5 cun transversely (subcutaneously) towards the occiput
or the site of the disorder/pain.
Actions/Indications
● Expels Wind, especially from the nose
Special features
Meeting point with the yang wei mai
G.B.-18 Support Spirit CHENGLING
Du-20
5 cun
Apex of the ear Apex of the ear
Du 16 Lower
border of
the occiput
BL-10
Occiput
Axis Sterno-cleidomastoid
G.B.-20
G.B-20
Midline
Apex of the ear Apex of the ear
G.B.-18
4 cun
DU-20
Pupil line
2.25 cun 1 cun
Anterior
hairline
BL-4
BL-6
BL-5
BL-7
BL-8
G.B.-18
G.B.-17
G.B.-16
G.B.-15
Du-20
Du-21
Du-22
Du-23
Bl 3
Du-24 Hairline
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