:Many workflow2modeling tools have been developed , but most of them describe business process in terms of activity , product , goal or decision2making. Little attention is paid to roles and interactions among them. Howev2 er , the success of an enterprise depends on its people and their accountabilities in the final analysis. In this paper , role2oriented workflow modeling is analyzed from the perspective of roles and their interactions. Then how to repre2 sent the role2oriented workflow models is discussed , which provide a new method for workflow management . Fur2 thermore , with reference to the architecture of WFMC , role2driven approach to workflow management systems de2 scribed by multi2agent systems (MAS) is proposed based on the analysis of the relationship between agents and roles , between MAS and workflow systems. A prototype is realized based on the approach