The theme of the novel is "singing about the new turning point in life", but it does not focus on character creation, story telling, or normal time and space order. He draws on the Western "stream of consciousness" technique, But it is not a pure "stream of consciousness" in the West. The "radioactive" structure used in the novel has an endpoint, which is the protagonist's spiritual world in the special environment of sitting in a stuffy tank car. The novel mainly writes about the time and space switching, the outside world affects the protagonist The associations and psychological states caused by the heart, picking up the cultural landscape of a specific period of time, the language structure is unique, and the imagery is vivid, reflecting the protagonist's joys and sorrows for the fate of the motherland, and the longing for the people of the motherland to enter the warm spring. This is the deep patriotism in the writer's heart A true portrayal of the story, embodying the charm of a kind of lyrical prose.