The main theories of the new novel included: 1. The theory of innovation: The new novel focuses on innovation and believes that the novel should be a product of innovation, attracting the attention of readers through unique plots, characters, literary forms, etc. 2. Style theory: the new novel advocates that the novel should have a unique style. Different novels should have different styles, and each style should have its own unique charm. 3. Language theory: New novels emphasize the importance of language. They believe that language is the soul of the novel. Through the use of language, they can shape the characters and express the story to resonate with the readers. 4. Stream of Consciousness Theory: The new novel advocates that the novel should adopt the narrative method of stream of consciousness to show the story through the protagonist's subconscious so that the readers can have a deeper understanding of the protagonist's inner world. 5. Symbolism theory: The new novel emphasized the symbolism of the novel, believing that the symbols in the novel could convey the author's emotions and thoughts through symbolic meaning. 6. Theory of network culture: The new novel also pays attention to the development of network culture. It believes that network culture has become an important source of contemporary literature. Through network culture, it can show the variety and complexity of contemporary society.