An electronic manual system for a machine tool: generates an inquiry code on the basis of information relating to a user including a manufacture number of a machine tool; refers, on the basis of the inquiry code, to a user information database in which information relating to the machine tool and user identification information are associated with each other and stored; acquires, from an instruction manual database which stores electronic data of an instruction manual for the machine tool possessed by the user, a corresponding electronic manual; and displays the electronic manual on a manual display terminal.