There were many reasons for liking sci-fi movies. Sci-fi movies usually involved future technology, alien life, unknown worlds, and unknown cultures. These elements could bring the audience unlimited imagination and desire to explore. Sci-fi movies could also let the audience see the exploration and experimentation of science and technology, as well as the thinking about the future direction of human development. In addition, sci-fi movies could also bring some thrills and tension to the audience. It was one of the favorite types of movies for many people.