The central idea of writing a short story could usually be started from the following aspects: Character Creation: The characters in the novel are the embodiment of the central idea, so it is necessary to deeply shape the characters, including the character's personality, experience, psychological state, etc. Through the creation of characters, readers can better understand and feel the theme of the novel. 2. Plot design: The plot is the foundation of the novel. It needs to make the reader resonate and think during the reading process. In the plot design, one needed to pay attention to the ups and downs of the plot, the twists and turns, and the conflicts. These elements could promote the development of the story and express the central idea. 3. Thematic expression: The theme of a novel is usually expressed through the central idea. It needs to be expressed in many aspects such as the plot, characters, and language of the novel. The expression of the theme needs to resonate with the plot, characters, and language so that the reader can resonate with it. 4. Story meaning: The story meaning of a novel refers to the meaning and value conveyed by the novel. He had to start from the story itself and think about the meaning and influence of the story, as well as the values and outlook on life that the story expressed. 5. Emotional resonance: The emotional resonance of a novel refers to the emotions and emotions expressed in the novel that make the reader resonate and experience emotions. It was necessary to express the emotions and emotions contained in the novel from the characters, plot, and language to resonate with the readers.