From the development status of city planning and construction, this paper mainly discussed the collision and integration of ancient and modern architecture and planning, through the analysis on some examples, summarized the integration method of old and new buildings, such as mutual echo, consistent style, desalination new building, favor old buildings, prominent time sense taking contrast, for reference.%从城市规划与建筑的发展现状出发，主要论述了古今建筑与规划的碰撞与融合，通过对一些事例的分析，粗略总结了新旧建筑的融合方法，如相互呼应、风格一致，淡化新建筑、突出旧建筑，以反差表现时代感等，以供参考。
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