Chekhov's work, The Man in the Trap, was a novel with a strong sense of realism. The following are its main features: 1. Realistic characters: The characters in the novel really show the life, psychology and destiny of the bottom figures in Russian society. They have distinct characteristics of the times and national characteristics. 2. Profound social implications: The Man in the Sleeve reflects the profound changes and contradictions of Russian society through the fate of the protagonist. It also probes into the topics of human dignity, rights and freedom, which have profound social implications. 3. Precise structure: The novel uses a complex structure to show the changes of Russian society and the complexity of human nature through the intertwined fates of multiple protagonists. 4. Unique language style: Chekhov's language style is unique, concise, vivid, and full of expressiveness and appeal, which provides strong support for the characters and emotional expressions in the novel. 5. Strong dramatic effect: The plot and character creation of The Man in the Sleeve are dramatic. The author creates a strong dramatic effect through the complicated plot and character relationships, making the novel have a strong dramatic and infectious power.