Abstract: For a long time,municipal roads have been the basic conditions for urban development,especially today as the scale of cities continues to expand.The continuous acceleration of urbanization has led to batches of infrastructure construction projects,and at the same time,it has been further increased.Greater demand for road maintenance.The maintenance quality of municipal road asphalt pavement will greatly affect its service life and performance.To this end,based on a comprehensive understanding of the importance of municipal road asphalt pavement maintenance,this article explains the common types of pavement diseases,and proposes several commonly used preventive maintenance methods.Finally,in combination with a specific case,a slurry seal is proposed.Maintenance technology in order to better improve the quality of the project and ensure traffic safety.