Wei Jin people attached great importance to Laozi, Zhuangzi and Yijing, and called them "San Xuan". The main representatives of metaphysics in Wei and Jin Dynasties are Yanhe, Wang Bi, Ruan Ji, Ji Kang, Xiang Xiu and Guo Xiang. The emergence of metaphysics in Wei and Jin Dynasties has its profound social background and ideological and cultural background. On the basis of the decline of Confucianism in Han Dynasty, it came into being to make up for the deficiency of Confucianism. It evolved from Taoism and the theory of Huang Lao in Han Dynasty. It is the product of the direct evolution of Wei Chu dialect in the late Han Dynasty.
Metaphysics in Wei and Jin Dynasties had a far-reaching influence on later generations, and its thoughts had an important influence on the development of China's philosophy and the formation of culture.
Basic characteristics of metaphysics in Wei and Jin Dynasties;
1, the dialectical question of "being". Take "nothing" as the foundation of the world and the unity of the world, and think that sometimes the self-generated things are concrete.
2. The basic content of his philosophy is to explore the world ontology. Taking "nothing" as the existence basis of "being", this paper puts forward the ontological thought of "nothing", and holds that "being" exists alone and does not need "nothing" as its own ontology.
4. Its philosophical purpose is to solve the relationship between religion and nature in Ming Dynasty. It is considered that clear focus is the "end", nature is the "foundation" and clear focus is the inevitable expression of nature, and the two are the relationship between end and body.
5. Take "forgetting words with pride" as the method. Emphasis should be placed on the principle of justice when demonstrating problems, and the methods of "forgetting words with pride" and "leaving words to express meaning" are put forward.
6. "Distinguishing names and reasoning" is his philosophical thinking form. Metaphysics attaches great importance to the distinction between name and reason, and is good at analyzing and reasoning concepts. The distinction between name and reason is one of the basic characteristics of its thinking form.