The business process management theory is a new enterprise management method that rises in recent years. But the theory itself is not perfect yet, such as it can not support the enterprisepsilas business processpsilas dynamically improving. The paper firstly analyzed the traditional view of business process management; and referred to its theory insufficiency. For the further use of the system, we have built another new business process management model, based on this model, the enterprisespsila manager can improve their business process dynamically and will not interrupt the enterprisespsila normal production activities. The new model is made up of five departments: business process workbench, business process monitor, interface, business process engine, and business process/business rule database. The new BPMS can realize the business processpsilas dynamically improving through the creation of real case of a business process.