The changes in literary forms during the Northern Song Dynasty had the following characteristics: 1. The improvement of the status of poetry: In the Northern Song Dynasty, poetry gradually replaced the status of novels and prose as one of the main forms of literature. The length of the poems also gradually lengthened and the content became more colorful. 2. Changes in the form of prose: The form of prose in the Northern Song Dynasty also changed. The length of the prose gradually lengthened, and the language became more gorgeous and infectious. At the same time, some professional terms and concepts such as geography, history, philosophy and other fields began to appear in the prose. 3. The development of novel form: In the Northern Song Dynasty, the form of novels also developed. There were more and more types of novels, and the content was more and more colorful. Among them, the most famous ones were novels such as Water Margins and Romance of the Three Kingdoms. There were many reasons for the change of literary form in the Northern Song Dynasty. With the development of economy and the prosperity of culture, people's aesthetic concepts and literary needs were constantly changing. At the same time, the political situation also affected the development of literary forms. In addition, the emperors of the Northern Song Dynasty also began to attach importance to literature, which played a positive role in promoting the development of literature.