To provide an operation management system that provides more precise operation management by preventing illicit cancellation of operation, thereby precisely grasping operators who did the operation.

The operation management system includes an operation terminal 10 used by an operator, an operation setting terminal 20, a file server 40, and a database server 50. When an operation directory is directly connected to an action job directory for the first time according to the command to start operation, the file server creates for each operator a verification file recording file attributes within the job directory, and when receiving the command to cancel the operation of the action, creates a comparison file to determine the legitimacy of the command to cancel the operation on the basis of substantial identity between information recorded in the verification file and that recorded in the comparison file.