Provided is a method of reproducing a previous audio file in a multimedia device having a main memory and a hard disk drive. According to the method, when a user inputs a previous audio file reproduction command, whether the multimedia device is in an audio file reproducible state is determined. When the multimedia device is in the audio file reproducible state, previous audio file reproduction validity information stored in the main memory is checked and whether the previous audio file is reproducible is determined. After that, when the previous audio file is reproducible, previous audio file reproduction information is read from the hard disk drive, and whether the previous audio file exists in a relevant reproduction mode using a reproduction mode contained in the previous audio file reproduction information. Next, when the previous audio file exists in the relevant mode, a mode is switched, a relevant path is explored according to the previous audio file reproduction information, and the previous audio file is reproduced.