Message 1: Poets in the Tang Dynasty were mainly distributed in the north, while poets in the Song Dynasty were mainly distributed in the south; Description: ① The political and economic center of the Tang Dynasty was in the north; (2) The economic center of gravity moved south in Song Dynasty, and the southern culture developed; (3) The Southern Song Dynasty was south of the Yangtze River, the political center of gravity moved south, and the literati moved south;

Message 2: The total number of poets in Song Dynasty is greater than that in Tang Dynasty. Description: ① The development of commodity economy, the development of cities and the rise of citizen class in Song Dynasty promoted the secularization of literature and the creation of ci; (2) Song Ci broke the restriction of metrical poetry, with more free and flexible forms, rich ci works and numerous poets.

Analysis of test questions: This question mainly examines students' ability to demonstrate and discuss problems. This is an open topic, which requires candidates to extract information from the materials and use what they have learned to analyze the information of historical and cultural changes between Tang and Song Dynasties: information 1: poets in Tang Dynasty are mainly distributed in the north, and poets in Song Dynasty are mainly distributed in the south; Message 2: The total number of poets in Song Dynasty is greater than that in Tang Dynasty. And pay attention to the combination of history and history.