The characteristics of Yu Dafu's novels included: 1. Realism: Yu Dafu's works mostly describe real life, pay attention to social reality and human nature, and emphasize the dark side of society and the ugly side of human nature. 2. Literature style: Yu Dafu's novels have a distinct literary style, mostly using realistic techniques to describe exquisite, vivid language concise, bright. 3. Description: Yu Dafu's novels have a variety of descriptions, mostly using field descriptions, detailed descriptions and psychological descriptions to make the works more realistic and vivid. 4. Character images: Yu Dafu's novels have created many characters with strong personalities and depth. The characters are vivid and vivid, with distinct characteristics and personalities. 5. A wide range of topics: Yu Dafu's novels cover a wide range of topics that describe social life, historical events, and human nature.