This paper explored a new method: in the construction of MIS, introduction the workflow technology and realization the problem of business process flexible. The workflow construction model and the architecture of workflow engine are introduced in this paper. With those technologies can build a better flexibility MIS strategy and a new MIS framework design that meet modern business requirements, also can provide support in build flexible MIS to meet the ever-changing enterprise business needs of this objective, and solve the business process reengineering and business process management issues provide reference.