An image control device and an image control method are provided. The image control device includes a control command output port, an image input port, a processor and an image output unit. The control command output port transmits a scene switching command to an image source device; the image input port receives an image stream from the image source device; the processor is coupled to the image input port and the control command output port to retrieve a first image and a second image from the image stream, wherein the second image corresponds to the scene switching command; the image output unit is coupled to the processor and outputs the first image and the second image, wherein the first image is displayed in a first display area and the second image is displayed in a second display area.