Abstract: In the accelerating process of globalization，the phenomenon of cities inclining to the sameness is becoming more and more serious，and protection awareness of geographical features is strengthened gradually． Ｒegional characteristics of the historic district along the Yangtze Ｒiver in Anhui Province are the fusion and overlay of the building architectural features in the north and south． This paper took Kongcheng old street for example，by analyzing the background of the Kongcheng streets，causes，neighborhood characteristics and architectural features，the regional characteristics of the historic districts along the Yangtze Ｒiver were analyzed，and how to protect and utilize better the Kongcheng streets along the city was considered，which is located in the northern zone and the rare natural beauty of rivers and lakes．