Traditional Chinese Medicine Healing Herbs(TCMHH)

ACUPUNCTURE

Er Bai: TCM Acupoint Guide

ERBAI
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
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Name

Er Bai (Erbai)

Location

On the flexor aspect of the forearm, 4 cun proximal to PC-7 Daling, on both sides of the tendon of the flexor carpi radialis. Two points on each arm.

Needling

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

Actions

  • Treats prolapse of the rectum and hemorrhoids

Indications

  • Hemorrhoids
  • Rectal prolapse
  • Anal itching
  • Blood in the stool
  • Tenesmus
  • Neuralgia of the forearm
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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.

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