The stage light is also called \"stage lighting \", referred to as \"light \". One of the art styles of the stage. Use the stage lighting equipment (such as lighting, slide, control system, etc.) and technical means, with the development of plots, with light color and its changes display the environment, rendering the atmosphere, highlight the center of the center, create a sense of space, time sensation, shape The external image showing the stage, and provides the necessary lighting effects (such as wind, rain, cloud, water, lightning), etc.