This machine tool control method has: a step for accepting processing content about a workpiece; a step for referring to a storage unit, which stores, for each piece of processing content, a range of set conditions regarding the movements of a machine tool for performing the processing, and specifying the range of the set conditions corresponding to the accepted processing content; and a step for determining the settings of the movements of the machine tool on the premise of the range of the specified set conditions upon accepting a processing order according to the processing content about the workpiece.