Abstract
This paper proposes the management methodology and support tool of business flow design. Management methodology is modeling approach based on the flow-based viewpoint and the structured-based viewpoint. That methodology supports mainly business users for describing, validating, and refining business models. In proposed
approach, business models consist of the business flow diagram and the business structured list. Those business models are collaborative each other focused on 5W1H (Why, What, How, Who, Where, When) aspect. So, we introduce the developing support tool, which maintains mutual coordination of the business flow diagram and business structured list automatically.