灯光在现代演出中的作用:①照明演出，使观众看清演员表演和景物形象；②导引观众视线；③塑造人物形象，烘托情感和展现舞台幻觉；④创造剧中需要的空间环境；⑤渲染剧中气氛;⑥显示时、空转换，突出戏剧矛盾冲突和加强舞台节奏，丰富艺术感染力。有时也配合舞台特技。 在现代演出中，灯光的强度、色彩、照明区的分布，灯光的运动等都具有较大的可塑性与可控性。
The role of lighting in modern performance: ① lighting performance, so that the audience can see the performance of the actors and the image of the scenery; ② guiding the audience's line of sight; ③ shaping the image of the characters, setting off emotion and showing stage illusion; ④ creating the space environment needed in the play; ⑤ rendering the atmosphere of the play; ⑥ displaying the time and space conversion, highlighting the conflict of drama contradictions and strengthening the stage rhythm, enriching the artistic appeal. Sometimes with stage stunts. In the modern performance, the intensity, color, distribution of lighting area and the movement of lighting have greater plasticity and controllability.