Based on the materials and knowledge learned, this paper summarizes the main reasons for the development and prosperity of literature and art in Tang Dynasty.

1. The national unity and economic development in the Tang Dynasty provided the corresponding social foundation for the prosperity of culture.

2. The imperial examination system of selecting scholars by poetry and fu promoted the scholars' study and research on poetry.

3. "An Shi Rebellion" provided a lot of materials for scholars and writers.

4. The law of literary development is the internal factor of the prosperity of Tang poetry.

Hope to adopt, thank you! ~