我国经济的迅速发展和城市规模化的加快,使城市内部基础建设变得尤为重要。城市污水管网是一个城市非常重要的基础建设部分,在城市基础建设总投资中占着很大的比例,决定着城市基建的工程造价,城市污水管网的优化设计可以选择出费用最低的建设方式。本文论述城市污水管网优化设计的基本方法和对进一步优化的建议等。 The rapid economic development in our country and the acceleration of urbanization have made the construction of urban infrastructure more important. Urban sewer network is a very important infrastructure part of the city, accounting for a large proportion of the total urban infrastructure investment, determines the cost of urban infrastructure projects, the optimal design of urban sewer network can choose the least expensive construction the way. This article discusses the city sewage pipe network optimization design of the basic methods and recommendations for further optimization.