The invention discloses an application assembly dismounting display method and an application assembly dismounting display device. The method comprises the following steps that an application assembly to be dismounted in the application program and a target screen for displaying the application assembly are determined, wherein the application assembly is an assembly which is specified in the application program and can be dismounted to be displayed onto other screens; the application assembly is transferred to the target screen selected by users to be displayed from the original screen. Through the technical scheme of the method and the device provided by the invention, the rich display functions of multiple screens can be sufficiently realized, and the multi-screen operation experience of the users is improved.