Apparatusand method for reproducing moving picture of external storage in mobile communication terminal

An apparatus and a method for reproducing a video file of an external storage medium in a mobile terminal are provided to reproduce video stored in an external storage medium in real time through an effective caching scheme while saving a memory. A file input/output module(10) manages an entire segment list with respect to a video file and searches a segment of a video file requested to be inputted/outputted. A segment management module(20) manages each segment of the video file searched by the file input/output module(10). A page management module(30) manages a plurality of pages of each segment of the video file searched by the file input/output module(10) and searches a corresponding page of a particular segment. A frame buffer(40) caches the corresponding page.