Nomenclature of Huiyin:

Hui: crossing Yin: Genitalia
The point lies between the external genitalia and the anus, so is named as Huiyin.
Point: CV1
Chinese Name: 會阴
Name: Huiyin
Pinyin: huì yīn
English Name/Meaning: Yin Meeting
Han Geul 한글: hoe eum 회음
Romaji: e in
Vietnamese:Hội âm

Location:

This point lies midway between the anus and the scrotum in male, and the anus and the posterior labial commissure in female.

Functions:

• Nourishes Yin ( Kidney Yin, KI Essence).
• Regulates Conception and governor vessels.
• Dispels Damp Heat.

Indications of Huiyin:

• Urinary problems: Urinary Incontinence,
• Reproductive problems:Vaginitis, Irregular menstruation.
• Others: Mental Disorders, Hemorrhoids.
• Emperical point to revieve patients after drowning.

Method:

Insert perpendicularly 0.5 to 1 cun.

Remark:

• Meeting point of the RN (Conception), Chong (Penetrating) and DU (Governing) vessels.
• Sun Si-miao Ghost point.

Precaution:

• According to the Great Compendium of Acupuncture and Moxibustion, this point is contraindicated to needling.
• Donot needle in pregnancy.