Liu Yuxi’s main achievements are as follows:
1. Philosophy: The main philosophical achievement lies in his new argument for the unity of matter in the world, and his proposal of the theory of "the harmony between heaven and man". To a certain extent, the organic combination of materialism and dialectics has been achieved, and legal thought has been emphasized.
2. In literature: Liu Yuxi created his own folk poetry, and also made outstanding achievements in prose, poetry, and essays, which promoted the development of the ancient prose movement.