本文从文化角度分析了现代和后现代问题。通过历史描述，作者认为，现代主义是追求自律的唯美主义，而这一时期的先锋派超现实主义和达达主义则反其道而行之。到了后现代主义阶段，先锋派也被体制化了。随着先锋性的丧失，现代主义所刻意强调的物质现实和艺术之间的界限也消失了。 This article analyzes the modern and post-modern issues from a cultural point of view. Through the historical description, the author believes that modernism is the pursuit of self-regulation of aestheticism, and this period of avant-garde surrealism and Dadaism is the opposite. In the post-modernist phase, the avant-garde has also been institutionalized. With the loss of avant-garde, the line between material reality and art that deliberately emphasized by modernism also disappeared.