Protection and renovation of historical block is not only a simple space build mechanism, a form of updates, or some tendentious visual characteristics, but also from different levels, different space types, different spatial behavior and demand, such as study, sums up the construction strategy of targeted, in order to improve the urban space environment, for the purpose of solving the traditional urban texture loss, destruction of traditional features, such problems as lack of public space dynamic, focus is to make a historical and cultural connotation of public space in urban renewal.