Van Sant got rid of traditional narrative techniques in the film, but instead used sound, video, and poor lines to create stories and emotions. In addition, Van Sant continued to break the rules in casting and acting. There were a large number of non-professional actors in the film, and the proportion of improvisation was very large. Many supporting roles in the film have been adjusted according to the actors. For example, some actors use their real names in the film
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Van Sant took four consecutive weeks of shooting in chronological order, but only used one set from beginning to end. Van Sant edited while filming. He immediately recorded the original sound of live singing and temporary dialogue, hoping to have a sense of casualness, saying that he "pursed more like the quality of life than the story", and the actor's performance was also improvised
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