Science fiction novels usually involve the future, technology, alien creatures, and other topics. 1. Exploring the unknown: Science fiction novels usually describe some future or distant worlds where there are unknown areas and species that readers can explore and imagine to stimulate their curiosity and desire to explore. 2. Unlimited imagination: Science fiction usually provides unlimited imagination and creativity, allowing readers to immerse themselves in it and imagine all kinds of wonderful scenes and worlds, thus expanding the reader's imagination and creativity. 3. Revealing human nature: Science fiction novels usually reveal the weaknesses and strengths of human nature through the adventures and explorations of the protagonist. At the same time, they also explore the relationship between humans and extraterrestrial creatures and the future world, thus thinking about the future of mankind. 4. Increase plot conflict: Science fiction novels usually increase plot conflict and tension through the protagonist's exploration and adventure, so that readers are immersed in it and constantly look forward to the development of the story. 5. Presenting scientific imagination: Science fiction usually presents scientific imagination and predictions to let readers understand and appreciate the imagination and creativity of scientists. At the same time, it also helps readers understand the basic concepts and principles of science.