Digital Media water curtain, is the fountain of water in the form of screen upside down to take home, leave the water at least 2 meters high above the water at higher results from a more coherent. But the maximum should not be more than 10 meters, (easy to form a floating water), affecting viewing. Tap each to install a matching opening and closing speed of one-thirtieth second high-speed micro-solenoid valve, when in charge of Road through the variable-speed pump bottled water, each micro-solenoid valve driven by a computer program control module, the output text or graphic instruction, the control procedures are in accordance with instructions control the solenoid valve opening and closing time, so that each tap of the water only need to set the length, so that different lengths can leave the water tap to reach the composition of the water needs of the moment graphics, text, company LOGO, propaganda slogans, bottom or the top accompanied by a different color LED lights, the text displayed colorful graphics will be showing a magical effect.