In the classic of acupuncture-moxibustion theory

biaoben

(trunk and root)

genjie

(root and knot) and

genliuzhuru

(

qi

running among five-

shu

points

rising from a well

gliding as a spring

pouring through as a stream

flowing as a river and entering inwards a sea) of meridians are similar to meridian distribution and acupoint-like sites. Their concepts and theoretical properties had not been clarified in later generations. The unclear profiles of their connotation and meanings have affected the understanding of

sijie

(four pathways of

qi

located on the heat

chest

abdomen and leg) and

sihai

(four seas

including sea of marrow

sea of

qi

sea of water and food

and sea of blood). Hence

it becomes a crucial point where th

e meridian theory and acupoint theory are not clearly identified. Based on

wuzang tongtian

(interrelationship between five-

zang

organs and nature) in

tianhui yijian

(

tianhui

medical bamboo slips)

focusing on the association with meridian

biaoben

the paper analyzes the formation and connotation of these concepts. It is considered that the involved properties imply the summarization on the rules of acupoint indications and functions

which belongs to the category of acupoint theory.