There were usually the following advantages to using festivals as a node in a movie's narrative: Increase the cohesiveness of the plot: The festival is usually a moment with special meaning and atmosphere. By setting these nodes in the movie, the story can be more coherent and have a sense of context. For example, the protagonist in the movie could experience a series of events during the festival. These events could echo the atmosphere of the festival and make the movie more lively and interesting. 2. Increase emotional resonance: A festival is usually a time for reunion and celebration. By setting a festival node in the movie, it can make it easier for the audience to feel the emotions and situations experienced by the protagonist in the movie, thus increasing the emotional resonance of the audience. 3. Prominent the protagonist's special identity or experience: Festival nodes can also highlight the protagonist's special identity or experience to make the movie more personal and representative. For example, the protagonist could meet certain characters or experience certain things during the festival. These characters or experiences could reflect the protagonist's life background or special identity, thus making the movie more realistic and believable. 4. Increase the theme and emotional content of the movie: Festival nodes can also increase the theme and emotional content of the movie, making the movie more profound and meaningful. For example, by setting up holiday nodes in the movie to discuss topics such as family, friendship, love, etc., the movie could be made more profound and meaningful. Using festivals as a node to narrate a movie could enhance the cohesiveness of the plot, highlight the special identity or experience of the protagonist, increase emotional resonance, and explore the theme, thus making the movie more lively, interesting, and meaningful.