我国城市供水管网漏损严重,对水资源缺乏的我国造成了很大压力。通过分析我国供水管网存在的问题,从内部因素、外部因素和管网运行的因素等三个方面找出漏损的原因。在此基础上,提出降低供水管网漏损的措施。 China’s urban water supply network serious leakage, the lack of water resources in China caused great pressure. By analyzing the existing problems of water supply network in our country, we find out the causes of the leakage from the three aspects of internal factors, external factors and pipe network operation. On this basis, measures to reduce leakage in the water supply network are proposed.