Abstract: Power grid dispatching is the command center of regional power grid, the continuity and reliability of power grid dispatching service is the basis to ensure the safe and stable operation of power grid. By developing a power grid primary and standby backup device, using the crawler program to periodically back up the business data of primary and standby scheduling. When the OMS system fault affects scheduling services, enable the primary and standby backup device in a timely manner, to ensure the normal and orderly scheduling of the service by using the OMS data before the fault.