The embodiment of the application relates to a file searching method and device, a mobile terminal and a computer-readable storage medium. The above-mentioned method includes: receiving an input character string; parsing the character string to obtain a parsing result if the character string meets a preset format; searching for a file storage path, which corresponds to the character string, according to the parsing result and pre-established mapping relationships, wherein the mapping relationships include a mapping relationship of a file storage path of each file and a character string; and reading a corresponding file according to the file storage path, and carrying out display. According to the above-mentioned file searching method and device, the mobile terminal and the computer-readable storage medium, the needed file can be conveniently and quickly found, and the file searching efficiency can be improved.