穴义

商，五音之一，属金；阳，阴阳之阳。
大肠属金，在音为商；阳，指阳经。

Meaning

Shang, one of the Five Sounds, pertaining to metal; yang, Yang of Yin-Yang.
The large intestine pertains to metal and is ascribed to shang Sound. Yang implies the Yang meridian.

定位

食指桡侧甲角旁约0.1寸

Location

On the radial side of the index finger, about 0.1cun posterior to the comer of the nail.

主治

中风，昏迷，发热，咽喉肿痛，食指麻木

Indication

apoplexy, loss of consciousness, fever, sore throat, numb fingers.

针法

直刺0.1-0.2寸或点刺出血

Method

Peck with a three-edeed needle to cause bleeding.

备考

井穴

Remarks

Jing-Well point.