针对当前城市居住区水景频出的奢华浪费、高建设成本等现状问题,以“节约型园林理念”为导向,从方案设计、施工图设计入手,提出利于建设成本控制的设计原则,阐述了节约化设计要点.通过顶层设计的剖析探索节约型住区水景的营建途径. In view of the current situation of luxury waste, high construction cost and so on in the current urban residential water features, this paper starts with the design of “plan of saving garden” and the design principle of construction drawing, puts forward the design principles which are beneficial to the construction cost control, The key points of saving design are explored through the analysis of top-level design.