GB1 Tongziliao

Reviewed by · Licensed Acupuncturist & TCM Physician · Last reviewed June 2026

GB1 (Tongziliao, “Tongziliao”) is an acupuncture point on the Gallbladder Channel Meridian. It is located in the depression on the lateral side of the orbit, approximately 0.5 cun lateral to the outer canthus of the eye, over the lateral orbital margin. It expels wind, clears heat, benefits the eyes, alleviates pain.

Location

In the depression on the lateral side of the orbit, approximately 0.5 cun lateral to the outer canthus of the eye, over the lateral orbital margin.

Needling

Transverse-oblique insertion, directed posteriorly along the orbital margin, 0.3-0.5 cun. Manipulation should be gentle. Do not needle deeply or perpendicularly.

A
d
j
a
c
e
n
t
t
o
t
h
e
e
y
e
b
a
l
l
—
p
r
e
s
s
t
h
e
g
l
o
b
e
a
s
i
d
e
,
i
n
s
e
r
t
s
l
o
w
l
y
w
i
t
h
o
u
t
l
i
f
t
i
n
g
/
t
h
r
u
s
t
i
n
g
o
r
r
o
t
a
t
i
n
g
;
d
o
n
o
t
n
e
e
d
l
e
d
e
e
p
l
y
.
B
r
u
i
s
i
n
g
i
s
c
o
m
m
o
n
.
N
e
e
d
l
i
n
g
t
o
o
d
e
e
p
l
y
o
r
i
n
t
h
e
w
r
o
n
g
d
i
r
e
c
t
i
o
n
r
i
s
k
s
i
n
j
u
r
y
t
o
t
h
e
e
y
e
b
a
l
l
o
r
r
e
t
r
o
-
o
r
b
i
t
a
l
s
t
r
u
c
t
u
r
e
s
.

TCM functions

Expels wind, clears heat, benefits the eyes, alleviates pain..

Clinical notes

GB1 is the entry point of the Gallbladder channel and a primary local point for various eye disorders, especially those involving the outer canthus. It is frequently used for conditions like conjunctivitis, eye pain, and temporal headaches. As a meeting point with the Small Intestine and Sanjiao channels, it can also address issues related to external wind-heat affecting the head and face.

On the Gallbladder Channel channel

GB1 is one of 44 points on the Gallbladder Channel Meridian. Nearby points:

GB2GB3GB4GB5GB6GB7GB8GB9

Frequently asked questions

Where is GB1 located?

GB1 (Tongziliao) is located in the depression on the lateral side of the orbit, approximately 0.5 cun lateral to the outer canthus of the eye, over the lateral orbital margin.

What is GB1 used for?

GB1 expels wind, clears heat, benefits the eyes, alleviates pain.

How is GB1 needled?

Transverse-oblique insertion, directed posteriorly along the orbital margin, 0.3-0.5 cun. Manipulation should be gentle. Do not needle deeply or perpendicularly. Caution: Adjacent to the eyeball — press the globe aside, insert slowly without lifting/thrusting or rotating; do not needle deeply. Bruising is common. Needling too deeply or in the wrong direction risks injury to the eyeball or retro-orbital structures.

Which meridian is GB1 on?

GB1 is a point on the Gallbladder Channel Meridian (Zú Shàoyáng Dǎnjīng).

Interactive body mapConditions & evidenceFind an acupuncturistTCM glossary
⚠️ This page is for general education and is not medical advice. Acupuncture is a traditional practice; evidence varies by condition and study quality, and individual results differ. It does not replace diagnosis or treatment by a licensed professional. Always consult a qualified acupuncturist or physician.