CV1

Huiyin

Star

會陰 (Huìyīn) — Meeting of Yin

Ren (Conception) channel · point 1

Not yet clinically reviewed

Meeting point of the Ren, Du and Chong Mai — their common point of origin

Traditionally used for

Bowel health
Menstrual & women's health
Fertility & vitality
Skin

Cautions & contraindications

Pregnancy
No moxibustion

Location

On the perineum, at the midpoint between the anus and the posterior border of the scrotum in men, or the posterior commissure of the labia majora in women.

How to locate: With the patient lying on the side or in the knee-chest position, the point is on the perineum midway between the anus and the posterior border of the scrotum in men, or the posterior commissure of the labia in women.

Distances are in cun, a proportional unit — how to measure.

Body map, front: CV1 · Lower abdomen — Fig. — CV1 · Lower abdomen After Albinus, 1747

The abdominal regions — Gray's Anatomy plate — The abdominal regions Gray's Anatomy, 1918

3D view

3D view not available for this point: its position on the 3D model couldn't be checked against its location text, so it is not shown. The 2D maps above show it.

Needling

Cited needling

Perpendicular insertion

Depth 0.5–1 cun

skindeeper

Depths describe average adult habitus in the cited population, never a single safe number for the patient in front of you. Palpate and adjust.

Sources (1)

Deadman P, Al-Khafaji M, Baker K. A Manual of Acupuncture. Hove: Journal of Chinese Medicine Publications; 1998 — p. 497 Supports: techniques (names this point)

Site notes · not cited

Pregnancy
No moxibustion

Depth: 0.5–1.0 cun

Angle: Perpendicular

⚠ Cautions: Contraindicated in pregnancy. Intimate location — needling requires explicit informed consent, a chaperone where appropriate, and in most practice is replaced by moxibustion or by patient-applied pressure.

Functions

Restores consciousness and revives from drowning or collapse
Regulates the lower orifices
Clears damp-heat from the genitals
Strengthens the Kidneys
Regulates menstruation

Indications

Loss of consciousness and drowningretention of urineconstipation and haemorrhoidsgenital itching and painirregular menstruationseminal emissionprolapse

Clinical Notes

The common root of the Ren, Du and Chong vessels. Rarely needled in modern Western practice; taught more often as the anatomical origin of the three extraordinary vessels.

Sources

World Health Organization. WHO Standard Acupuncture Point Locations in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific, 2008. (Location.)
Focks C, ed. Atlas of Acupuncture. Edinburgh: Churchill Livingstone Elsevier, 2008. (Locating method and actions.)

📝 Notes

Public notes from the community and your own private notes on CV1 Huiyin.

No notes yet.

Back to Points