A projection electronic book, having: an electronic paper device, used for displaying an image on an electronic paper panel according to an image information received via an electronic paper input port; a control unit, having an audio/video input port, a first display output port and a second display output port, the audio/video input port being used to receive a video information and/or an audio information, the video information being output via the first display output port or the second display output port, and the first display output port being coupled to the electronic paper input port; an audio/video storage unit, coupled to the audio/video input port to supply the video information and/or the audio information; and a micro projector, coupled to the second display output port for receiving the video information, being used to project an image according to the video information.