There were many types of online novels, among which the more common ones were fantasy, fantasy, science fiction, romance, and so on. Fantasy novels generally involved magic, martial arts, myths, and other elements. The protagonist usually had great strength and wisdom. Through cultivation and combat, he improved his strength and finally defeated the evil forces to protect the balance of the world. Fantasy novels generally involved magic, mythology, monsters, and other elements. The protagonist was usually a human or animal adventurer who explored the mysterious world to find treasures and save the world. Science fiction novels generally involved future technology, alien life, interstellar travel, and other elements. The protagonist was usually a scientist or adventurer who searched for the future direction of mankind through research or exploration of future technology or interstellar travel. Romance novels generally involved elements such as love, marriage, and family. The protagonist was usually a young man and woman. In the story, they told their love story, experienced setbacks and hardships, and finally lived a happy and beautiful life together.