An interactive system is provided. The interactive system includes an electronic device, a first image display device and a second image display device. The electronic device transmits a first image information to the first image display device for display. The electronic device transmits a second image information to the second image display device for display. Through the second image display device, a three-dimensional second image information is displayed in a space on one side of the second image display device. The three-dimensional second image information at least interacts with an object.