Simple Discussion on Creating a Historical and Cultural Concept on City Square Design — Exemplified by Hundred Miles of the Yellow River in Lanzhou

City square, as a major public urban space. By a sense of spiritual civilization, it should be a window of the city and essential building space to daily life of local residents; it also bears an important heritage city in cultural context responsibility. Based on the Yellow River in Lanzhou City, Barry style line design concept of the study, analyzed and summarized, presented the concept of square designs to create a historical and cultural context of urban culture, the importance of heritage and modern artistic expression should be on urban history and culture diversity to interpretation, to make people re-establish the cultural identity for the city to gain ownership of the spirit.