A method and system for express execution of multimedia playing is provided. A computer system is installed with a first operating system and a second operating system in a data storage therein. The method includes the following steps: the computer system finishing basic booting process; the computer system loading and executing a driver to activate a touch-control display device; the touch-control display device displaying icons representing detected audiovisual players; detecting the icon selection by the user; based on the selection, loading and executing the corresponding operating system; and executing the application program corresponding to the selected audiovisual player.