现在社会的科学技术以及社会经济的发展,促使人们慢慢地增强了节约水资源的意识,在设计城市建筑的过程中,业内人士最为关注以及重视的就是建筑给排水工程中的节水问题。本文探析了我国建筑给排水节水设计的发展概况,阐述了建筑给排水节水的关键,结合上海、重庆两地的大型综合体项目来论述建筑给排水设计中有效的节水措施。 At present, the social science and technology as well as the social and economic development have prompted people to gradually raise awareness of water conservation. In the process of designing urban buildings, people in the industry are most concerned about and pay more attention to water-saving in water supply and drainage projects. This paper analyzes the general situation of water supply and drainage water saving design in our country, expounds the key point of building water supply and drainage water saving, and discusses the effective water saving measures in water supply and drainage design of buildings based on the large complex projects in Shanghai and Chongqing.