There were a wide variety of popular online literature. The following were some of the more common types: 1. Fantasy novel: It mainly tells the story of the protagonist obtaining strength through cultivation, battle, etc. to explore the universe, the world, and other mysterious fields. 2. urban novels: mainly about the protagonist's life, work, love and other stories in the modern city, with various suspense, reasoning, emotions and other elements. 3. Science fiction: It mainly tells the story of the protagonist exploring the future, the universe and other mysterious fields through scientific and technological means, with various sci-fi elements and technological memes. 4. Historical novels: They mainly describe historical events, characters, and their performance in modern times, with various plots and character analysis. 5. Fantasy novels: mainly about fantasy elements such as magic, elves, orcs, etc., with various adventures, battles, love and other plots. In addition, there were many other types of novels such as romance, martial arts, horror, reasoning, and so on. Each type had its own unique charm and reader groups.