Acupuncture Points Notebook

Location Guides:

: Shangyang : Shang (metal note) Yang

LI-1 : Hand Yangming Large Intestine 1

Jing-Well and Metal point

Horary point of the Large Intestine channel
One of the "59 piercings" for clearing Heat in Ling Shu Ch. 23

On the dorsal aspect of the index finger, at the junction of the lines drawn along the radial border of the nail and the base of the nail, approximately 0.1 cun from the corner of the nail

Perpendicular or oblique insertion directed proximally 0.1 to 0.2 cun, or prick to bleed

TCM Actions:
Clears heat, reduces swelling and alleviates pain
Revives consciousness

TCM Indications:
  • Throat painful obstruction, toothache of the lower jaw, pain of the lower cheek, swelling of the submandibular region, dry mouth, deafness, tinnitus.
  • Loss of consciousness from windstroke, loss of consciousness, fullness of the chest radiating to the lateral costal region, dyspnoea and cough, febrile disease with absence of sweating, hot malaria.
  • Pain of the shoulder and back that radiates to the supraclavicular fossa, numbness and heat of the fingers.

    Superficial Innervation: Median nerve branch to fingers from C6 - C8
    Dermatome Segment: C7

    Ling Shu Ch. 19, on the Four Seasonal Qi, advises opening the Jing-Well and Ying-Spring openings in winter, piercing deeply and retaining the needle for a while.

    Ling Shu Ch. 23, On Heat Diseases, gives a different list of points for the "59 Piercings" to Su Wen Ch. 61. They include three on the outer and three on the inner side of the hands which most likely includes this point.


    Lad and Durve (2008) in Marma Points of Ayurveda call this point Tarjani and associate it with the doshas: Prana Vayu, Udana Vayu, Apana Vayu and Avalambaka Kapha.

    They give the following functions:
    - Benefits lungs and enhances the flow of prana
    - Regulates colon and apana vayu
    - Balances udana and apana vayu
    - Acts on the hands and fingers


    In Tibetan medicine:
    Moxa point (AMNH, Tibetan Medical Paintings)

    Reference Notes: (click to display)