With the excavation of the earliest and most completed human figure of meridian-acupoints in China

the lacquer figure with meridian-acupoints marked unearthed in the Chengdu Laoguanshan grave of Han dynasty

the distribution of "white lines"have become an indispensable historical data and research hotspot in the study of meridians evolution. This paper summarized the running route and distribution characteristics of Hand Yangming meridian of the lacquer figure with meridian-acupoints marked unearthed in the Chengdu Laoguanshan grave of Han dynasty and comparing it with the record of the medical classics and unearthed slips and silk in order to summarize the distribution characteristics and evolution of Hand Yangming meridian. It’s expected to provide basis for the research on the origin and development of meridians.