Digital water curtain (digital water curtain, graphic water curtain). The digital water curtain uses water as its basic element, and the water curtain technology to achieve the graphic display effect completely overturns the previous concepts of musical fountains and water lights. Digital water curtain water curtain originated in the United States, perfect display technology in art form, quickly attracted everyone's attention. It is composed of flowing water. The flowing water wall under the precise control of the computer can display a variety of patterns and text information styles.