1990年代初期,土地的有偿使用和住房制度改革使我国的旧城改造获得了前所未有的动力和契机。另一方面,随着市场体制的不断深化和转型,房地产的综合开发已成为旧城改造的主要形式。在利益驱动下,旧城改造显得有些盲目和失衡。一些大城市,特别是特大城市的旧城改造考虑到选址困难、成 In the early 1990’s, the paid use of land and the reform of the housing system gave unprecedented impetus and opportunity to the reconstruction of the old city in our country. On the other hand, with the deepening and transformation of the market system, the comprehensive development of real estate has become the main form of urban renewal. Driven by the interests of the old city transformation appears a bit blind and unbalanced. In some big cities, especially in megalopolis, the transformation of the old city takes into account the difficulties in site selection