Voice-over refers to the language elements used to describe the background, environment, plot, or characters in novels, movies, and television dramas. It usually plays a role in assisting the narrative, enhancing the effect, and emphasizing the theme. There are many ways to write a voice-over: 1. Narrations: Use simple and clear language to describe the scene, atmosphere, character psychology, etc. so that the audience can better understand the story. 2. Illusionary narration: Explain the plot and characters so that the reader can better understand the background of the story and the relationship between the characters. Conversational narration: By introducing background information in the form of dialogue, the dialogue between the characters will be more vivid and interesting. At the same time, it can also help the audience better understand the psychology of the characters. 4. Symbolical narration: Through symbolism to describe the scene and environment so that the reader can feel a deeper level of emotion and meaning. 5. Summing up narration: Summing up the story so that the reader can better understand the theme and meaning of the whole story. The narration should be designed according to the plot and theme so that the reader can better understand and experience the plot.