Abstract: This paper sets up competitive&cooperation game theory models whose objects are maximizing the profits of the three-hierarchy supply chain system and each node enterprise,the research finds that in the m suppliers-one manufacture-n distributors supply chain system,the core enterprise can coordinate the benefit of each node enterprise through making proper buying strategy,buying price,R &D allowance, wholesale strategy,wholesale price and promoting allowance. In the end,the efficiency of the model is validated by a case simulation.

Key words: three-hierarchy supply chain, game, coordination model