20世纪的艺术不断地从学院、博物馆走向社会,从精英思想走向大众生活,公共艺术就诞生在这样的历史背景中。二战前后的“公共事业艺术规划”、波普艺术、地景艺术等艺术流派为公共艺术开辟了道路,20世纪80年代开始,公共艺术首先在西方发达国家成熟起来。公共艺术是现代城市文化和城市生活形态的产物,也是现代城市文化的组成部分,它 20th century art continues to go from colleges and museums to the society and from elitism to mass life. Public art was born in this historical background. Before and after World War II, “public art planning”, Pop art, landscape art and other art schools opened the way for public art. Since the 1980s, public art first matured in western developed countries. Public art is a product of modern urban culture and urban lifestyles as well as an integral part of modern urban culture.