Historic district public space construction in order to ensure to improve the livelihood of the people, perfect the function block, historical and cultural inheritance, protect the ecological environment, reflect local characteristics, improve the inner vigor of historic blocks and build livable environment as a fundamental goal, use of management, improve, repair, protection and regeneration in a variety of ways such as comprehensive upgrading, to realize the economic, social, cultural, ecological multidimensional value of harmonious and unified, promote urban sustainable and harmonious development in an all-round way.