There were many types of web novels such as romance, fantasy, science fiction, fantasy, and so on. Romance novels usually described the sweetness, twists, and conflicts between the protagonists of romantic love stories, so that the readers could feel the sweetness and pain of love. Fantasy novels usually depicted the protagonist of a mysterious world who gained strength through cultivation, combat, and other methods to explore the world. It involved magic, mythology, martial arts and other elements to let readers feel the unique cultural charm. Science fiction novels usually described the future world, the development of science and technology, and the fate of mankind. The protagonist changed the future through exploration, invention, and innovation, which made the reader's imagination of the future world richer. Fantasy novels usually depicted mysterious magical worlds where the protagonist gained strength to explore the world by learning magic and fighting. It involved magic, mythology, martial arts and other elements to let readers feel the unique cultural charm.