Traditional Chinese Medicine Healing Herbs(TCMHH)

ACUPUNCTURE

Hui Yin: TCM Acupoint Guide

HUIYIN
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Advertisement

Name

Hui Yin (Huiyin)

Location

At the perineum, midway between the anus and the scrotum in men, and between the anus and the posterior labial commissure in women.

Needling

  • Straight insertion, 1 to 1.5 cun.
  • Perpendicular insertion, 0.5 to 1.2 cun.
  • Moxibustion is applicable.

Command Functions

  • Meeting point with the Chong and DU channels
  • Beginning point of the REN, Chong and DU channels
  • Sun Si-miao Ghost point

Actions

  • Regulates the anterior and posterior Yin
  • Drains Damp-Heat
  • Calms the Shen
  • Promotes resuscitation
  • Revives from drowning
  • Nourishes Yin
  • Benefits Jing

Indications

  • Difficult urination
  • Difficult defecation
  • Seminal emission
  • Impotence
  • Genital diseases
  • Sweating of the genitals
  • Pain of the head of the penis
  • Cold sensation of the head of the penis
  • Swelling of the testicles
  • Swelling and pain of the vagina
  • Rectal prolapse
  • Hemorrhoids
  • Pain of the anus
  • Pain of the urethra
  • Sensation of Heat in the urethra
  • Itching and pain of the perineum
  • Shan disorder
  • Hysteria
  • Insanity
  • Melancholia
  • Enuresis
  • Itching of the scrotum
  • Eating up of the anal region
  • Coma
  • Suffocation by water, as in drowning, where it expels water from the Lungs
  • Mania-depression
  • Amenorrhea
  • Irregular menstruation
  • Uterine prolapse
  • Pain of the skin of the abdomen
  • Itching of the skin of the abdomen
  • Hernia
  • Vaginal prolapse
  • Genital pain
  • Perineal pain
  • Prostatitis
  • Dysuria
  • Urinary retention
  • Night sweats
  • Constipation
  • Vaginitis
  • Pruritus vulvae
  • Vaginal discharge
  • Urethritis
  • Catatonia

Combinations

PointsIndications
REN-3 Zhongji, SP-6 SanyinjiaoSudden swelling, redness and pain of the vagina
UB-40 Weizhong, UB-57 Chengshan, UB-58 Feiyang, GB-38 Yangfu, KI-7 Fuliu, LIV-3 Taichong, GB-43 Xiaxi, REN-6 Qihai, DU-1 ChangqiangThe five types of hemorrhoids

Contraindications

Contraindicated during pregnancy. According to some classical sources, needling this point is forbidden.

Notes

This point is located directly opposite to DU-20 Baihui. Some sources consider this point to be the Luo-Connecting point of the REN channel. One source says that this is the master point of the whole body. This is one of the most powerful points on the REN channel.

Advertisement

Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

Did this article help you?

Your answer shapes what gets rewritten next.

Keep readingRelated entries

Something this article did not cover?

Ask us directly. We reply within two days, and good questions become public articles.

Ask a question →