A dental processing machine-operating system wherein said dental processing is dental prosthesis milling, including a dental processing machine-operating device for operating a dental processing machine, the operating device comprising: a first list storage unit for storing a job list in which a plurality of processing programs, each defining a processing procedure performed by the dental processing machine, are associated with an order in which the plurality of processing programs are to be executed; a first status storage unit for acquiring, from the dental processing machine, execution statuses of the plurality of processing programs contained in the job list, and storing the execution statuses of the plurality of processing programs; and a first error detection unit for detecting an error in the dental processing machine; characterized in that the dental processing machine-operating system further including the dental processing machine, mutually data-communicably connected to the operating device; the operating device further comprising a first skipping process unit configured to, if the first error detection unit detects an error while the plurality of processing programs contained in the job list are being executed sequentially, set the execution status of one of the processing programs that is currently being executed when the error is detected to an end, based on the execution statuses of the plurality of processing programs stored in the first status storage unit, and to cause the dental processing machine to execute another processing program that is to be executed next after the one of the processing programs, according to the order specified in the job list, the dental processing machine being configured to store processing programs being sent from the operating device and a job list specifying an order in which a plurality of processing programs is to be executed, execute the processing programs in sequence according to the job list, be stopped when an error occurs, and execute an initialization process when the dental processing machine is resumed, to erase the processing programs and the job list from the dental processing machine, and the first skipping process unit is configured to perform a process of causing the operating device to restore the job list of the dental processing machine based on the job list stored in the first list storage unit, and a process of causing the operating device to set the execution status of the one of the processing programs, in which an error was detected, to "End" in the job list. a first list storage unit for storing a job list in which a plurality of processing programs, each defining a processing procedure performed by the dental processing machine, are associated with an order in which the plurality of processing programs are to be executed; a first status storage unit for acquiring, from the dental processing machine, execution statuses of the plurality of processing programs contained in the job list, and storing the execution statuses of the plurality of processing programs; and a first error detection unit for detecting an error in the dental processing machine; characterized in that the dental processing machine-operating system further including the dental processing machine, mutually data-communicably connected to the operating device; the operating device further comprising a first skipping process unit configured to, if the first error detection unit detects an error while the plurality of processing programs contained in the job list are being executed sequentially, set the execution status of one of the processing programs that is currently being executed when the error is detected to an end, based on the execution statuses of the plurality of processing programs stored in the first status storage unit, and to cause the dental processing machine to execute another processing program that is to be executed next after the one of the processing programs, according to the order specified in the job list, the dental processing machine being configured to store processing programs being sent from the operating device and a job list specifying an order in which a plurality of processing programs is to be executed, execute the processing programs in sequence according to the job list, be stopped when an error occurs, and execute an initialization process when the dental processing machine is resumed, to erase the processing programs and the job list from the dental processing machine, and the first skipping process unit is configured to perform a process of causing the operating device to restore the job list of the dental processing machine based on the job list stored in the first list storage unit, and a process of causing the operating device to set the execution status of the one of the processing programs, in which an error was detected, to "End" in the job list.