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Lan Wei Xue: TCM Acupoint Guide

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

Lan Wei Xue (Lanweixue)

Location

Approximately 2 cun distal to ST-36 Zusanli on the right leg. Note: the exact location of this point is determined by careful palpation to identify the point of maximum tenderness.

Needling

  • Perpendicular insertion, 1 to 1.5 cun.
  • Straight insertion, 1.5 to 2.5 cun, causing distention and soreness, possibly extending to the foot.
  • Puncture perpendicularly, 1 to 1.2 cun.

Actions

  • Activates qi and blood
  • Clears heat and fire toxicity from the large intestine
  • Stops abdominal pain
  • Resolves damp-heat

Indications

  • Acute and chronic appendicitis
  • Severe lower abdominal pain and cramps
  • Bi syndrome of the lower limb
  • Paralysis of the lower limb
  • Drop foot
  • Epigastric pain
  • Indigestion

Notes

This point is famous for treating acute and chronic appendicitis. It is one of the few points that only appears on one side of the body.

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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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