Conception VesselCV24

Chengjiang 承漿

For reference only · not a substitute for diagnosis or treatment

Short answer

On the face, in the hollow at the centre of the groove between the lower lip and the chin (mentolabial sulcus).

Meeting point of the Stomach (Foot Yangming) channel and the Conception VesselAlso called Tianchi (天池)

See it in 3DRotate the body and peel back the skin to see the bones and muscles beneath.
Open the 3D Acupoint Map →

🖼See it in pictures

Chengjiang — ① Where on the body? — **① Where on the body?**

Chengjiang — Textbook view — skin on the left, muscle and bone underneath on the right — **Textbook view — skin on the left, muscle and bone underneath on the right**
Location and structures come from our 3D model; only the drawing style was refined with AI. Labels are added by us.

Chengjiang — ② Up close — **② Up close**

Chengjiang — ③ Under the skin — **③ Under the skin**
Mandible · Mentalis muscle · Depressor labii inferioris · Mentalis muscle · Depressor labii inferioris

Rendered straight from the 3D model at the computed location. The glowing ring marks Chengjiang.

On this page

Where is Chengjiang?
How do I find it on my body?
Before you press
How has it been used traditionally?
FAQ

1Where is Chengjiang?

On the face, in the hollow at the centre of the groove between the lower lip and the chin (mentolabial sulcus).

Beneath the point

Mandible · Mentalis muscle · Depressor labii inferioris · Mentalis muscle · Depressor labii inferioris

Our 3D measurement · In our 3D model: the deepest point (3.55 mm) behind the line joining the most forward point of the lower lip and the most forward point of the chin in the midline profile.

2How do I find it on my body?

Find the horizontal groove between the lower lip and the chin.
Press the hollow at its centre.

📖 Words explained

depressor labii inferioris: A square-shaped muscle running from the front of the lower jaw up to the lower lip. It pulls the lower lip down.
mentolabial sulcus: The horizontal groove between the lower lip and the chin.

3Before you press

⚠ Do not press when

Avoid broken or swollen skin and press only to a comfortable level.
Acupressure is not a substitute for medical care.

4How has it been used traditionally?

The name means 'receiving fluid'. The Zhenjiu Jiayi Jing (vol. 3) classifies it as a meeting point of the Foot Yangming channel and the Conception Vessel — a historical classification, not a claim of effect.
It is the last point of the Conception Vessel.

From traditional texts — not a claim of effect.

?FAQ

Where exactly is Chengjiang?

On the face, in the hollow at the centre of the groove between the lower lip and the chin (mentolabial sulcus).

How do I find Chengjiang?

Find the horizontal groove between the lower lip and the chin. Press the hollow at its centre.

What should I watch out for?

Avoid broken or swollen skin and press only to a comfortable level. Acupressure is not a substitute for medical care.

← PreviousLianquan · CV23 Next meridian →Changqiang · GV1

Sources

Location: WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), p. 231
Standard comparison: Chinese national standard GB/T 12346-2021 (Nomenclature and location of meridian points)
Korean point names: KMCRIC standard acupoint database
Traditional-use cross-check: AcuAtlas dataset (CC BY 4.0)
Classification source: Zhenjiu Jiayi Jing vol. 3

Positions computed from the WHO standard locations (2008) on Z-Anatomy (CC BY-SA 4.0) · BodyParts3D © DBCLS. For reference only — not a substitute for diagnosis or treatment. See a clinician if you are unwell.