1. A printed matter managing system for printing a file to which a label in accordance with identifying information of the file is applied, and managing the printed file as a printed matter, comprising: a detection unit for detecting the label applied to the printed matter in one of reading the printed matter by a computer and physically carrying out the printed matter from a predetermined region; and a limiting unit for limiting one of using a result of the reading by the computer and physically carrying out the printed matter in accordance with one of the reading and the carrying out of the printed matter, and the identifying information contained in the detected label.