The laser water screen movie is grand and magnificent. A few dozen meters or even hundreds of meters of water curtain deduces the true feelings of people, all living things; deduces the cosmic space, vast coastal mountains and rivers & hellip; & hellip; whether in parks, playgrounds, amusement parks, riversides, lakes, laser water curtain projection will be the most attractive hotspot, to the organizers to bring unexpected Benefits and impacts. At the same time, the variety of signal sources of laser water screen movies, the demonstration of the film source is not limited, and can even do live broadcast, so the effect and benefit of water screen projection is not only entertainment, but also in publicity, advertising, and even public service announcements and so on. This modern and new way of expression gives us a double harvest of spirit and material.