Permeable bricks are generally used for pavement decoration of urban streets and sidewalks. The main reason is that permeable bricks can not only make rainwater penetrate the surface, but also avoid water accumulation on the road surface, help people walk, and can also be used as decoration to beautify urban roads. Before laying permeable bricks, the construction scheme should be determined, the construction organization design should be compiled, and the emergency plan should be made. The specific requirements before construction are as follows: 1. Before construction, facilities such as water and electricity supply, traffic roads, mixing and stacking sites should be solved, and buildings, irrigation canals and underground pipelines that hinder construction should be removed before construction; 2. All kinds of pipelines, greening facilities and structures in the sidewalk must be completed before the sidewalk construction. The exposed manhole cover elevation must be adjusted to the design elevation, and special treatment is needed around Jing Zuo to ensure the normal road surface; 3. Selection of construction machinery Compaction of soil foundation should adopt tamping or rolling machinery, and compaction of base should adopt vibrating machinery; 4. When the construction is in rainy season or interrupted for some reason, the surface of the construction layer must be repaired, leveled and compacted in time; 5. According to the design requirements, excavate subgrade, clean up earthwork and reach the design elevation; Check whether the longitudinal slope, transverse slope and sideline meet the design requirements; Trim subgrade, level and compact, and the compaction coefficient reaches over 90%. Pay attention to laying pipelines. With these preparations, the construction of permeable brick will be much more convenient, fast and efficient, which is the main project of each construction team.