REN7 Yin Intersection

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

REN7 (Yinjiao, “Yin Intersection”) is the Meeting point of Ren & Chong, KD point of the Conception Vessel Meridian. It is located on the anterior midline of the lower abdomen, 1 cun directly inferior to the center of the umbilicus. It regulates the Lower Jiao, tonifies the Kidneys, resolves dampness and edema, regulates menstruation, and alleviates pain.

Location

On the anterior midline of the lower abdomen, 1 cun directly inferior to the center of the umbilicus.

Needling

Perpendicular insertion 1.0 to 1.5 cun. Deep insertion may puncture the peritoneum; needling should be performed on an empty bladder.

T
r
a
d
i
t
i
o
n
a
l
l
y
a
v
o
i
d
e
d
o
r
u
s
e
d
w
i
t
h
c
a
u
t
i
o
n
i
n
P
R
E
G
N
A
N
C
Y
(
s
t
r
o
n
g
q
i
/
b
l
o
o
d
-
m
o
v
i
n
g
o
r
l
a
b
o
u
r
-
p
r
o
m
o
t
i
n
g
a
c
t
i
o
n
)
.
T
h
e
Q
i
a
n
J
i
n
Y
i
F
a
n
g
,
c
i
t
e
d
i
n
t
h
e
Z
i
S
h
e
n
g
J
i
n
g
,
s
t
a
t
e
s
t
h
a
t
e
x
c
e
s
s
i
v
e
m
o
x
i
b
u
s
t
i
o
n
o
n
Y
i
n
j
i
a
o
c
a
n
l
e
a
d
t
o
i
n
f
e
r
t
i
l
i
t
y
.

TCM functions

Regulates the Lower Jiao, tonifies the Kidneys, resolves dampness and edema, regulates menstruation, and alleviates pain..

Indications

Abdominal hardness and pain, pain radiating to the genitals, difficulty urinating, scrotal retraction, hernia, water swelling with qi moving in the skin, postpartum persistent lochia, cold sensation around the navel, blood masses in the abdomen, irregular menstruation, infertility, abdominal fullness, intestinal rumbling, diarrhea, uterine prolapse..

Meeting point of Ren & Chong, KD

Clinical notes

Yinjiao is a crucial point on the lower abdomen for addressing disorders of the genitourinary and reproductive systems. Its role as a meeting point for the Ren, Chong, and Kidney channels makes it effective for treating menstrual irregularities, infertility, and postpartum issues by regulating Qi and Blood in the uterus. It is also a key local point for hernia, abdominal pain, and urinary difficulties, particularly when there is a pattern of cold or stagnation in the Lower Jiao.

On the Conception Vessel channel

REN7 is one of 24 points on the Conception Vessel Meridian. Nearby points:

REN3REN4REN5REN6REN8REN9REN10REN11

Frequently asked questions

Where is REN7 located?

REN7 (Yinjiao) is located on the anterior midline of the lower abdomen, 1 cun directly inferior to the center of the umbilicus.

What is REN7 used for?

REN7 regulates the Lower Jiao, tonifies the Kidneys, resolves dampness and edema, regulates menstruation, and alleviates pain. Common clinical indications include abdominal hardness and pain, pain radiating to the genitals, difficulty urinating, scrotal retraction, hernia, water swelling with qi moving in the skin, postpartum persistent lochia, cold sensation around the navel, blood masses in the abdomen, irregular menstruation, infertility, abdominal fullness, intestinal rumbling, diarrhea, uterine prolapse.

How is REN7 needled?

Perpendicular insertion 1.0 to 1.5 cun. Deep insertion may puncture the peritoneum; needling should be performed on an empty bladder. Caution: Traditionally avoided or used with caution in PREGNANCY (strong qi/blood-moving or labour-promoting action). The Qian Jin Yi Fang, cited in the Zi Sheng Jing, states that excessive moxibustion on Yinjiao can lead to infertility.

Which meridian is REN7 on?

REN7 is a point on the Conception Vessel Meridian (Rèn Mài).

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.