Small intestine meridian starts from radial side of little finger and goes along radial side of little finger, wrist joint and radial side of elbow joint then passes posterior aspect of triceps brachii and ascends along posterior side of triangular muscle to scapular region.

Crossing meridians and collaterals of small intestine meridian of hand-taiyang:
Small intestine meridian crosses heart meridian at Zhizheng (SI 7)acupoint and connects with lung meridian at Shaoze (SI 1) and Shaochong acupoints.

Origination acupoints of small intestine meridian of hand-taiyang:
Jianzhen, Xiaohai, Zhizheng, Yanglao, Yanggu, Wangu, Houxi (SI 3), Qiangu, Shaoze.

Distribution lines of collateral of small intestine meridian of hand-taiyang:
Collateral of small intestine meridian diverges two branches from Zhizheng acupoint. One branch crosses heart meridian, another branch ascends along the regular meridian and is distributed in shoulder.