Medicina China HoyTraditional Chinese Medicine
Acupuncture point · Large Intestine

Sanjian (LI3)

Sanjian (LI3), “Third Space”, is a point on the Large Intestine meridian. It is point 3 of the 20 on the channel. Shu-Stream of the Large Intestine: dispels Wind-Heat, eases toothache and regulates the intestines.

三间 · Sān JiānUpdated on

Location

On the dorsum of the hand, in the depression radial and proximal to the second metacarpophalangeal joint.

Functions according to tradition

Shu-Stream of the Large Intestine: dispels Wind-Heat, eases toothache and regulates the intestines.

Traditional indications

  • Toothache
  • Sore throat
  • Red eyes
  • Borborygmus
  • Hand pain

Indications described by tradition; they do not amount to proven clinical effectiveness for each one.

What its classification means

Stream point (输, shū)

Third of the transport points: the Qi “flows”. It is associated with heaviness of the body and joint pain; in the yin channels it coincides with the Source point.

Precautions

No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.

Points on other channels with similar indications

They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.

Point profile

Code
LI3
Pinyin name
Sān Jiān
Characters
三间
Translation
Third Space
Element
Metal
Classification
Shu-Stream
Topics
Face, Pain, Digestion

Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.