Yu Dafu was a famous novelist and essayist in modern China. His works mainly described social reality and human nature, which were full of profound thoughts and unique artistic features. Yu Dafu's novel creation thought content is more profound, focusing on social reality and human nature, exploring the differences between traditional Chinese culture and modern culture, as well as the weaknesses and strengths of human nature. His works reflected the various problems of Chinese society at that time, such as the corruption of the feudal system, the exploitation and oppression of the backward capitalist class, and the suffering and struggle of the people. Yu Dafu's novels focused on the creation of characters, describing a variety of characters, including the weaknesses and strengths of human nature, showing their inner world and emotional changes. The characters in his works had distinct personalities, vivid language, and vivid images, which left a deep impression on people. Yu Dafu's novel creation also paid attention to plot conception and narrative skills, using a variety of literary techniques such as contrast, symbolism, suggestion and so on to enhance the artistic appeal and readers of the novel. The twists and turns of his works were full of suspense and surprises, which made readers feel a strong emotional impact and enlightenment in the process of reading. Yu Dafu's novel creation thought content is profound, unique focus on character creation and plot design, full of artistic appeal and readable. His works had a wide influence on the society at that time and became one of the important representatives of modern Chinese literature.