Abstract: Lao Tzu is the founder of Taoism. He often has a negative attitude when discussing literature and art, and his language is even too extreme. Different from Confucianism which emphasizes the practical utility of literature and art's social enlightenment, and also different from Mohism and Fa's one-sided emphasis on quality and simple negation, many of his remarks put forward his own aesthetic ideals in terms of creative rules and aesthetics, and were exposed to the subtle internal rules of artistic creation. It is full of inspiration and has had a profound impact on the development of literary creation, artistic aesthetics and literary criticism in later generations. 1. The theory of unity of opposites, which emphasizes the Tao of nature and emphasizes "the mutual generation of existence and non-existence". "Laozi" believes that the "eternal (eternal) Tao" is an objective material existence that is eternally moving in nature. However, it is vague and mysterious, and does not fully understand the Tao. explain. So