Abstract: Despite the fact that the Sui aesthetics is a neglected research field,it holds a unique  position in the history of Chinese aesthetics.It was a period of aesthetic introspection full of passion and enthusiasm.It cleared the aesthetics of the Six Dynasties.The main outlook of the Sui aesthetics is “polishing for the purpose of simplicity",and its basis is Wang Tong's philosophical thought.It has the nature of being practically and purposefully reasonable.

Key words: the Sui Dynasty aesthetics, clear the Six Dynasties, polish for the purpose of simplicity, Wang Tong's philosophy