城市地下给水管网作为重要的市政基础设施,和城市的发展、生产、人们的生活密切相关,同时也是关系城市供水系统效益的关键一环。本文将分别从改造城市地下给水管网必须坚持的原则、城市地下给水管网存在的问题以及改善城市地下给水管网优化设计的对策三个方面展开较为详尽的阐述。 Urban underground water supply network as an important municipal infrastructure, and the city’s development, production, people’s lives are closely related, but also related to the effectiveness of urban water supply system, a key element. This article will elaborate three aspects from the principles that must be adhered to in order to transform the underground water supply network in cities, the existing problems in underground water supply network and the countermeasures to improve the optimal design of underground water supply network in cities.