Problem novels referred to those novels that tried to attract the readers 'attention and explore human nature by adapting or fabricating the real world. There are many popular problem novels in the modern era, some of which include: 1 " Three-Body " series: Written by Liu Cixin, the story of the conflict between alien civilizations and humans has become one of the representative works of science fiction. 2. Grave Robber's Chronicles: Written by the third uncle of the Southern faction, the story of a group of treasure thieves is full of thrills and suspense. 3. Ghost Blows Out the Light series: Written by the world's tyrant singer, it tells the story of a battle between a group of explorers and monsters. The plot is bizarre, full of fantasy and horror. 4. Ordinary World: Written by Lu Yao, it tells the story of a Chinese peasant family and reflects the development and changes of China's rural society. Living: Written by Yu Hua, it narrates the life experience of an ordinary farmer and reflects the poverty and suffering of rural China. These novels all adapted or fabricated the real world to attract the readers 'attention and explore the world of human nature.