Provided are an apparatus for reconfiguring a mapping method and a scheduling method in a reconfigurable multi-processor system. A single function is mapped to a reconfigurable processor. When a task is created in the reconfigurable multi-processor system, a function of the task is dynamically mapped to a host processor or a reconfigurable processor, thereby removing temporal sharing between functions on the reconfigurable processor and thus reducing the number of times reconfiguration is performed. The overhead of the reconfigurable processor is minimized and the reconfigurable processor is optimized for a dynamic multi-application environment.