In the past decade, many science fiction novels in China were suitable for adaptation into movies. Here are some of the more popular science fiction novels: 1 " The Three-Body Problem " series by Liu Cixin. This series talked about the struggle between alien civilizations and Earth's civilization. It had a very broad vision and profound thoughts. 2. Wandering Earth-Author Liu Cixin. This novel told the story of humanity's decision to push the Earth out of the solar system for interstellar migration in order to protect the Earth from the impact of the solar explosion. 3. Ball Lightning by Liu Cixin. The novel described the origin and secrets of a mysterious spherical object and its interaction with humans. 4." Mars Rescue " by Liu Cixin. The novel was about a Martian who was searching for his compatriots trapped on Mars. 5 " Past of Earth " series-Author Liu Cixin. This series tells the story of human space exploration and interstellar trade. It has a very interesting plot and deep thinking. 6 " Supernova Era "-Author Liu Cixin. This novel described the exploration and adventures of humans in the Milky Way. It had a very spectacular cosmic scene and profound thoughts. These are some of the more popular sci-fi novels, and of course, there are many other excellent sci-fi novels that can be chosen according to your preferences and the direction of the film production team.