LU2 Yunmen means 'Cloud Gate'

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

LU2 (Yunmen, “Yunmen means 'Cloud Gate'”) is the Entry/Exit point of the Lung Channel of Hand Taiyin Meridian. It is located on the upper chest, in a depression found below the lateral end of the clavicle (Jugu, LI16), 6 cun lateral to the anterior midline. The point is located in the infraclavicular fossa, medial to the coracoid process, where a pulsation of the axillary artery can be felt. It is best located with the arm raised. It clears Lung heat, disseminates and descends Lung Qi, soothes cough and wheezing, and alleviates pain in the shoulder and chest.

Location

On the upper chest, in a depression found below the lateral end of the clavicle (Jugu, LI16), 6 cun lateral to the anterior midline. The point is located in the infraclavicular fossa, medial to the coracoid process, where a pulsation of the axillary artery can be felt. It is best located with the arm raised.

Needling

Oblique or transverse insertion 0.5 to 1.0 cun. Oblique insertion is directed laterally along the infraclavicular fossa. Perpendicular insertion is contraindicated due to the risk of pneumothorax.

O
v
e
r
l
i
e
s
t
h
e
t
h
o
r
a
c
i
c
c
a
v
i
t
y
—
r
i
s
k
o
f
P
N
E
U
M
O
T
H
O
R
A
X
.
N
e
e
d
l
e
o
b
l
i
q
u
e
l
y
o
r
t
r
a
n
s
v
e
r
s
e
l
y
,
n
e
v
e
r
d
e
e
p
l
y
o
r
p
e
r
p
e
n
d
i
c
u
l
a
r
l
y
t
o
w
a
r
d
t
h
e
c
h
e
s
t
w
a
l
l
.
M
u
l
t
i
p
l
e
c
l
a
s
s
i
c
a
l
s
o
u
r
c
e
s
w
a
r
n
a
g
a
i
n
s
t
d
e
e
p
n
e
e
d
l
i
n
g
,
s
t
a
t
i
n
g
i
t
c
a
n
c
a
u
s
e
r
e
b
e
l
l
i
o
u
s
Q
i
(
氣
逆
)
,
s
h
o
r
t
n
e
s
s
o
f
b
r
e
a
t
h
,
o
r
i
n
a
b
i
l
i
t
y
t
o
e
a
t
.
T
h
e
Q
i
a
n
J
i
n
Y
a
o
F
a
n
g
n
o
t
e
s
t
h
a
t
i
n
i
t
s
t
i
m
e
,
m
a
n
y
p
r
a
c
t
i
t
i
o
n
e
r
s
a
v
o
i
d
e
d
n
e
e
d
l
i
n
g
t
h
i
s
p
o
i
n
t
a
l
t
o
g
e
t
h
e
r
.
T
h
e
Z
h
e
n
J
i
u
J
u
Y
i
n
g
l
i
s
t
s
i
t
a
m
o
n
g
t
h
e
p
o
i
n
t
s
w
h
e
r
e
d
e
e
p
n
e
e
d
l
i
n
g
s
h
o
u
l
d
b
e
a
v
o
i
d
e
d
,
a
s
i
t
c
a
n
c
a
u
s
e
a
p
e
r
s
o
n
t
o
f
a
i
n
t
o
r
c
o
l
l
a
p
s
e
.

TCM functions

Clears Lung heat, disseminates and descends Lung Qi, soothes cough and wheezing, and alleviates pain in the shoulder and chest..

Indications

Chest fullness, cough, rebellious Qi, shortness of breath, chest pain radiating to the back, goiter, throat impediment, shoulder and back pain, inability to raise the arm, reversal cold of the limbs, four limb swelling, inability to sleep, aversion to cold in the back, difficult breathing, upper arm pain, heat in the chest, reversal of Qi rising to the heart, interrupted pulse at the cun kou..

Entry/Exit

Clinical notes

Yunmen is a key point for treating disorders of the chest and shoulder. It is particularly effective for conditions where Lung Qi fails to descend, leading to cough, wheezing, and a sensation of fullness in the chest. Its location also makes it useful for local conditions like shoulder pain and inability to raise the arm, especially when the pain radiates to the chest.

On the Lung Channel of Hand Taiyin channel

LU2 is one of 11 points on the Lung Channel of Hand Taiyin Meridian. Nearby points:

LU1LU3LU4LU5LU6LU7LU8LU9

Frequently asked questions

Where is LU2 located?

LU2 (Yunmen) is located on the upper chest, in a depression found below the lateral end of the clavicle (Jugu, LI16), 6 cun lateral to the anterior midline. The point is located in the infraclavicular fossa, medial to the coracoid process, where a pulsation of the axillary artery can be felt. It is best located with the arm raised.

What is LU2 used for?

LU2 clears Lung heat, disseminates and descends Lung Qi, soothes cough and wheezing, and alleviates pain in the shoulder and chest. Common clinical indications include chest fullness, cough, rebellious Qi, shortness of breath, chest pain radiating to the back, goiter, throat impediment, shoulder and back pain, inability to raise the arm, reversal cold of the limbs, four limb swelling, inability to sleep, aversion to cold in the back, difficult breathing, upper arm pain, heat in the chest, reversal of Qi rising to the heart, interrupted pulse at the cun kou.

How is LU2 needled?

Oblique or transverse insertion 0.5 to 1.0 cun. Oblique insertion is directed laterally along the infraclavicular fossa. Perpendicular insertion is contraindicated due to the risk of pneumothorax. Caution: Overlies the thoracic cavity — risk of PNEUMOTHORAX. Needle obliquely or transversely, never deeply or perpendicularly toward the chest wall. Multiple classical sources warn against deep needling, stating it can cause rebellious Qi (氣逆), shortness of breath, or inability to eat. The Qian Jin Yao Fang notes that in its time, many practitioners avoided needling this point altogether. The Zhen Jiu Ju Ying lists it among the points where deep needling should be avoided, as it can cause a person to faint or collapse.

Which meridian is LU2 on?

LU2 is a point on the Lung Channel of Hand Taiyin Meridian (Shǒu Tàiyīn Fèijīng).

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.