The characteristics of long, medium, and short novels were as follows: 1. Duration: Long novels are usually longer than medium novels and short novels. They usually span more than one chapter or longer, while short novels usually only have a few or dozens of pages. 2. Plot: Long novels usually contain more complicated plots, more complicated character relationships, and more details and background descriptions. Medium-length novels usually paid more attention to the plot and the development of the characters, while short novels paid more attention to the plot and the cohesiveness of the story. Thesis: Long novels usually involve more profound and complex topics such as human destiny, history, culture, society, etc., while small and medium-sized novels and short novels are more relaxed and humorous, such as love, friendship, family, youth, etc. Writing style: Long novels usually require higher literary skills and more detailed descriptions, while small and medium-sized novels pay more attention to the accuracy and conciseness of the narrative. Style: Long novels usually have a more formal and traditional literary style, while short novels and short novels are more flexible and diverse to adapt to different readers and editors. Long, medium, and short novels all had their own unique characteristics and charms. The readers could choose to read them according to their own preferences and needs.