A machine-implemented method for establishing a playback interface for a target disc when storing contents of a plurality of original discs into the target disc includes: (A) analyzing each of the original discs for relevant disc information, and recording the disc information of the original discs in a disc information list; (B) analyzing each sequence of each of the original discs for relevant sequence information, and recording the sequence information of the original discs in a playback sequence list; and (C) establishing a playback interface for the target disc according to the disc information list and the playback sequence list.