Screen transfer method, screen transfer device and mobile terminal

The invention discloses a screen transfer method applied to a mobile terminal. The screen transfer method comprises the steps that connection with at least one second screen terminal device is established; an operation instruction is received; a multi-media file or an image signal of the mobile terminal is sent to the corresponding second screen terminal device according to the received operation instruction to enable the second screen terminal device to display the multi-media file or the image signal in real time. The invention further provides a screen transfer device and the mobile terminal. According to the screen transfer method, the screen transfer device and the mobile terminal, the multi-media file or the image signal of the mobile terminal is sent to the corresponding second screen terminal device according to the received operation instruction to enable the second screen terminal device to display the multi-media file or the image signal in real time, operation is easy, and the flexibility is good.