Computer-readable storage medium, printing apparatus and method of creating print label thereof

The invention provides a computer readable storage medium, a printing apparatus and a method of creating a print label thereof. A computer readable storage medium storing a program instruction set is provided; the program instruction set comprises: (a) generation; (b) generation; (c) setting; and (d) displaying. The method specifically comprises the following steps: (a) generating a plurality of printing data sets corresponding to corresponding printing labels in a plurality of printing labels used in an overlapping state; (b) generating a plurality of media type information sets for corresponding print labels among the plurality of print labels, each piece of media type information indicating a type of print media for creating the corresponding print label; (c) setting: setting a layering sequence for the plurality of printed labels; and (d) displaying: displaying the list of the plurality of medium type information sets on a display. The plurality of media type information sets are arranged in a hierarchica