Fog screen system is integrated using an ultrasonic atomizing mist generator produces a large number of particles, and the air flow created by the combination of principles can produce a mist formed flat screen. Particle mist plane characteristic use of light as a carrier path, and then vivid special smooth fluid medium projection on the carrier will be able to form an image in three-dimensional illusion space, forming a three-dimensional image space, giving a new stereoscopic visual enjoyment. People can freely shuttle in this dreamy image, resulting in a real person can enter illusory effect of the video screen is a new type of display media, you can change the traditional can not penetrate the screen. Unique characteristics between fog screen can be illusory image so that it has a broad market prospect.