There are many ways to enhance the effect of a movie: 1. Suspense technique: By setting up suspense to attract the audience's attention and encourage them to guess the ending or development of the story. For example, setting up a seemingly impossible scene at the beginning of a movie or suddenly revealing his or her true identity after a key character says something confusing. 2. Comparisons: By comparing two or more elements to emphasize their differences or similarities. For example, at the beginning of the movie, by showing the clothing, hairstyle, or environment of the two characters to draw out the contrast, and then in the movie, through various ways to show this contrast to enhance the audience's visual experience. 3. The method of conflict: by setting up conflicts to attract the audience's attention and encourage them to explore the relationship or purpose between the characters in the story. For example, at the beginning of the movie, by showing the hatred or conflict of interest between the two characters, it would lead to conflict, and then in the movie, it would show this conflict in various ways to enhance the audience's emotional experience. 4. Reversal: By reversing the previous setting or plot at the end of the story, you can change the direction of the entire story. For example, showing an unexpected ending at the end of the movie or revealing a shocking truth through a seemingly reasonable plot twist. 5. Flash back: By showing part of the story first and then gradually showing another part to enhance the audience's experience. For example, at the beginning of the movie, by showing the background of the characters or the outline of the story, the theme of the movie could be introduced. Then, the development of the story could be gradually shown in the movie to explore the theme of the story in depth. These are some common movie techniques. Different techniques can be used in different scenes to produce different effects.