The invention provides an electric power dispatching duty scheduling system. The electric power dispatching duty scheduling system comprises a personnel information storage module, an on-duty durationcalculation module, a scheduling personnel arrangement module, a non-shift scheduling table generation module, a vacation decision table generation module, a shift reparation and compensation decision table generation module, a scheduling table updating module and an information notification module. According to the invention, the required data is obtained from the number of working days of administrative personnel in the current month and the related personnel information. Real-time data such as standby duty and the like of the current month are combined; According to the technical scheme, the method and the system have the advantages that scheduling staff can be assisted in scheduling, team staff can apply for scheduling adjustment by themselves and can timely approve the team staff torealize real-time update of the duty table, so that the scheduling staff can realize manual optimal distribution with minimum time granules, the labor cost is reduced, the staff utilization rate is increased, and the management efficiency is improved.