Portable terminal and method for operating multi-application thereof

The present invention relates to a mobile terminal which executes multiple applications at the same time by using a multi-screen and a multi-application operation method thereof. The operation method includes: an operation of checking whether there is a request to execute a multi-icon mapped with screen division information for displaying the applications by using the applications and the multi-screen; and an operation of configuring the multi-screen according to the screen division information upon receiving the request for the execution of the multi-icon and displaying the execution screens of the applications on the configured multi-screen.