Abstract: The capacity management mode of large-scale service operation systems during the disruption is anal yzed Mathematic model is created with the capacity recovery and procurement,considering the social penalty cost to minimize the total disruption management cost. 4 important managerial insights are obtamed through numerical simulation,which are useful for the guidance in policy making of the social administration department and scientific decisions of the service operation systems themselves when capacity is injured after disruption.

Key words: service operation system, disruption management, capacity procurement, capacity recovery