Time travel novels were a common type of online literature. They usually described the protagonist traveling to different time and space or historical backgrounds to explore and change the course of history. There are many reasons for the popularity of these novels. 1. Originality: The creativity of time-travel novels is very attractive. It allows readers to explore different histories and cultures and create their own stories. This spirit of open-mindedness and exploration attracted many readers, making them feel excited and interesting. Satisfy curiosity: Many readers are interested in history and culture, and time-travel novels give them the opportunity to explore these areas. Time travel novels could also satisfy readers 'curiosity about different time and space, allowing them to feel their existence in ancient or future worlds. 3. A relaxed atmosphere: Time travel novels usually have a relaxed atmosphere. Many readers like this type of book because they don't make them feel heavy or depressed. Time travel novels could also provide some humor and romantic elements to make readers happy. The popularity of time-travel novels also promoted the work of continuation and adaptation. Many readers like to see new storylines and characters appear, which also motivates authors and editors to constantly create and adapt these works to meet the needs of readers. There were many reasons for the popularity of time-travel novels, including creativity, satisfying curiosity, a relaxed atmosphere, and the work of continuation and adaptation. These reasons promoted the development and popularity of time-travel novels.