Disclosed is a digital recording apparatus, which includes: a storage device; a processing circuit, coupled to the storage device, for receiving a video signal and storing the video signal to the storage device in the form of a plurality of video files, and for generating an index data structure comprising a plurality of entries corresponding to the video files respectively; and a displaying device, coupled to the processing circuit, for displaying a video concept of the video files; wherein the processing circuit searches and compares the index data structure according to a time counting value when displaying the video concept to determine a first video file to be read of the video files and a first location of the first video file.