城市中人们对水的需求和依赖已越来越大 ,节水问题摆在每一个人的面前。有限的水资源在利用上存在两个方面的问题 ,即浪费和未利用。本文介绍的节水设计 ,以充分利用雨水和减少生活用水为目的 ,结合建筑和结构设计来考虑拦蓄雨水 ,按水质的不同 ,分类利用 ,提高水资源的利用率 The demand and dependence of people in the cities on water have become larger and larger, and the issue of water saving is before everyone. There are two problems in the utilization of limited water resources, namely waste and unutilization. This article describes the design of water-saving, in order to make full use of rainwater and reduce domestic water for the purpose, combined with architectural and structural design to consider intercepting rainwater, according to the different water quality, utilization, improve the utilization of water resources