The exchange of material

energy and information occurs in any system (ecosystem

natural system

process system

social system

market system) of the world

generating material flow

energy flow and information flow both in time and space.According to the field synergy principle

this paper describes how material flow

energy flow and information flow affect and depend on each other

and indicates that the study on the synergy among material flow

material flow and information flow could achieve harmonious interaction

so as to form an optimum ordered structure both in time and space.