GB2 Tinghui

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

GB2 (Tinghui, “Tinghui”) is an acupuncture point on the Gallbladder Channel Meridian. It is located anterior to the ear, in a depression found with the mouth open. It is located 1 cun inferior to GB3 (Shangguan), in a palpable arterial pulsation. It benefits the ears, clears heat, activates the channel, and alleviates pain.

Location

Anterior to the ear, in a depression found with the mouth open. It is located 1 cun inferior to GB3 (Shangguan), in a palpable arterial pulsation.

Needling

Perpendicular insertion 0.5 to 1.5 cun with the mouth open.

A
f
t
e
r
t
r
e
a
t
m
e
n
t
,
o
n
e
s
o
u
r
c
e
a
d
v
i
s
e
s
a
v
o
i
d
i
n
g
c
o
l
d
f
o
o
d
.
A
n
o
t
h
e
r
a
d
v
i
s
e
s
a
g
a
i
n
s
t
a
w
i
d
e
r
a
n
g
e
o
f
f
o
o
d
s
i
n
c
l
u
d
i
n
g
r
a
w
,
c
o
l
d
,
s
o
u
r
,
s
l
i
p
p
e
r
y
i
t
e
m
s
,
a
l
c
o
h
o
l
,
w
h
e
a
t
,
l
a
m
b
,
a
n
d
g
a
r
l
i
c
.

TCM functions

Benefits the ears, clears heat, activates the channel, and alleviates pain..

Indications

Deafness, ear ringing (tinnitus) like cicadas, toothache with aversion to cold, jaw dislocation, jaw tension preventing chewing, facial paralysis, convulsions, manic-type behavior, mental agitation, watery eyes without headache, epilepsy, bone pain, dizziness..

Clinical notes

GB2 is a crucial local point for a wide array of ear disorders, particularly deafness and tinnitus. Its location, found when the mouth is open, places it directly over the temporomandibular joint, making it effective for jaw pain, dislocation, and TMJ disorders. It also addresses channel-related issues like facial paralysis and convulsions.

On the Gallbladder Channel channel

GB2 is one of 44 points on the Gallbladder Channel Meridian. Nearby points:

GB1GB3GB4GB5GB6GB7GB8GB9

Frequently asked questions

Where is GB2 located?

GB2 (Tinghui) is located anterior to the ear, in a depression found with the mouth open. It is located 1 cun inferior to GB3 (Shangguan), in a palpable arterial pulsation.

What is GB2 used for?

GB2 benefits the ears, clears heat, activates the channel, and alleviates pain. Common clinical indications include deafness, ear ringing (tinnitus) like cicadas, toothache with aversion to cold, jaw dislocation, jaw tension preventing chewing, facial paralysis, convulsions, manic-type behavior, mental agitation, watery eyes without headache, epilepsy, bone pain, dizziness.

How is GB2 needled?

Perpendicular insertion 0.5 to 1.5 cun with the mouth open. Caution: After treatment, one source advises avoiding cold food. Another advises against a wide range of foods including raw, cold, sour, slippery items, alcohol, wheat, lamb, and garlic.

Which meridian is GB2 on?

GB2 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.