Any dramatic performance, except for the outdoor performances, requires a set of lighting. And if lighting is only the only function of stage lighting, then just arrange a set of fluorescent lights hanging on the stage, you can provide a smooth and smooth light for the actors and set props.
However, it is clear that stage lighting is more useful than ordinary lighting, and an efficient set of stage lighting can link the visual elements of a production to increase the enjoyment of the audience.
The stage lighting has diversity and regularity. Its most important feature is that it can make the audience's emotions change with the change of the color of the lights, and it can be close to the plot and character emotions.