From the selection of pipeline materials, design for roadbeds and subgrades, the paper analyzes the design points for the water-supply and drainage programs for municipal roads, and introduces the design approaches for the water-supply and drainage pipelines by combining with examples, so as to ensure the construction quality of the water-supply and drainage system of municipal roads.%从管道管材的选择设定、道路路基的设计、道路路面的设计等方面分析了市政道路给排水项目的设计要点，并结合实例介绍了给水管道与排水管道的设计方式，以保证市政道路给排水系统的施工质量。
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