水是人类生命的源泉,而当今社会的迅速发展,人类的经济活动也给水资源带来了很大的破坏,越来越多环境问题层出不穷,使得水资源匮乏、水资源浪费和污染也成为了巨大的难题。从建筑给排水设计角度出发,从建筑给排水设计中的节能、节水以及防止二次污染方面进行了分析提出合理节约水资源的对策。 Water is the source of human life, and the rapid development of today’s society, human economic activities have also brought great damage to water resources, an increasing number of environmental issues, making the lack of water resources, waste of water resources and pollution have become Huge problem From the perspective of building water supply and drainage design, this paper analyzes the energy saving, water saving and secondary pollution prevention and control in building water supply and drainage design and puts forward countermeasures to save water resources reasonably.