Provided is a manufacturing method of a label, including configuring a member for a label so as to dispose a magnetic member between a base material and a covering material, cutting the magnetic member along with the base material so as to cut a label from the member for a label, removing an unnecessary portion of the base material from the member for a label, and detecting whether or not the label is present in the unnecessary portion of the base material or whether or not the label is present in the member for a label in which the unnecessary portion of the base material has been removed.