Abstract: The innovative digital electronic operation order replaces the traditional paper operation order to realize the data synchronization between the operating system and the computer error prevention system at the station terminals, which covers the functions of error prevention logic, step-by-step audit, forced recording and error-free statistics of thousands of operations, standardizes the operation process, ensures the correctness and preciseness of the operation order execution, effectively shortens the operation time, improves work efficiency, and promotes safety management of substation maintenance teams.