A management system that manages a workflow relating to sterilization of a sterilization target is provided. The workflow includes a plurality of stages including a packaging stage in which a set is formed by packaging one or more of the sterilization targets and a first indicator, and the first indicator includes a discoloration area whose color changes according to an achievement degree of a sterilization process. The management system includes: management means for managing management information of the workflow including sterilization related information of the set, wherein the sterilization related information of the set includes a determination result of the achievement degree, and notification means for performing a notification that work related to the workflow is not in a predetermined state, or a notification for preventing work related to the workflow from entering a predetermined state.