The invention discloses a method for realizing automatic program play in multimedia application of a mobile terminal and a device thereof. The method comprises the following steps that: the mobile terminal receives information of program to be played, which is identified by a user in the multimedia application, and saves the information and play time of the program to be played; and when the mobile terminal determines that the play time of the program to be played comes, the mobile terminal is connected with a program server at a network side according to the saved information of the program to be played, and automatically plays the program in the multimedia application. The method sufficiently utilizes the characteristic that the mobile terminal supporting the function of multimedia application can be carried about to play the program in the multimedia application by combining the timing function of the mobile terminal, and realizes automatic play of the mobile terminal or automatically prompting a user whether to play a reserved program in a specific time slot of a certain TV channel or not when the play time comes.