Traditional Chinese Medicine Healing Herbs(TCMHH)

ACUPUNCTURE

Si Man: TCM Acupoint Guide

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

Name

Si Man (Siman)

Location

On the lower abdomen, 2 cun below the umbilicus, 0.5 cun lateral to REN-5 Shimen.

Needling

  • Puncture perpendicularly, 0.5 to 1 cun.
  • Straight insertion, 1 to 1.5 cun.
  • Caution: deep needling may penetrate the peritoneal cavity.
  • Moxibustion is applicable.

Command Functions

  • Meeting point of the Chong channel

Actions

  • Benefits the Lower Jiao
  • Alleviates pain
  • Regulates qi
  • Moves blood stasis
  • Regulates the water passages
  • Promotes urination

Indications

  • Abdominal pain and distention
  • Diarrhea
  • Nocturnal emission
  • Irregular menstruation
  • Dysmenorrhea
  • Postpartum abdominal pain
  • Uterine bleeding
  • Malign blood with acute pain
  • Accumulated cold in the uterus
  • Infertility
  • Retention of lochia
  • White, turbid urethral discharge
  • Pain of both lateral costal regions
  • Redness and pain of the inner canthus
  • Leukorrhea
  • Sterility
  • Urinary tract infection
  • Lower abdominal pain and distention
  • Shan disorder
  • Cutting pain below the umbilicus
  • Stone edema of the upper abdomen
  • Edema
  • Running piglet qi
  • Pain of the kidneys
  • Dysenteric disorder
  • Water in the large intestine
  • Constipation
  • Cold shivering
  • Seminal emission

Notes

The term malign blood refers to blood that has left the vessels and which pools and stagnates.

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 →