There were many categories in online literature, such as Gao Gan's articles, favorite articles, farming articles, black-bellied articles, and CEO articles. There were also many other categories such as: 1. Fantasy novels: mainly about myths, legends, martial arts, and other supernatural elements. 2. Metropolis Literature: It mainly tells stories about the life, love, work, and other stories of modern urban people. 3. History: It mainly tells stories about the lives, love, wars, and other stories of historical figures. 4. Fantasy: Mainly tells stories about myths, legends, magic, and other supernatural elements. 5. Science fiction: It mainly tells stories about science fiction elements such as future technology and universe exploration. 6. Wuxia Literature: It mainly narrates the stories of Wuxia characters, including Jianghu grudges, martial arts secret manuals, etc. 7. Romance articles: The main story of love between men and women often involves elements such as rich families, transmigration, and rebirth. 8. Sadism: It mainly tells the story of the protagonist's growth after experiencing setbacks and hardships. The plot is complicated and the emotions are deep. Ancient Chinese Literature: It mainly tells the stories of ancient characters, including historical celebrities, ancient novels, etc. 10 Rebirth Story: It mainly tells the story of the protagonist's change of fate after rebirth. It often involves revenge, rebirth, battle of wits, and so on. These categories were only a part of the categories. Different authors and readers could make more detailed classifications and selections according to their own preferences.