Water collecting and purifying system for municipal roadside and use method of water collecting and purifying system

The invention relates to the field of municipal equipment, in particular to a water collecting and purifying system used beside a municipal road and a using method of the water collecting and purifying system. The water collecting and purifying system used beside the municipal road comprises a water collecting tank used for collecting wastewater, a filtering tank used for filtering collected sewage, a sterilizing tank used for sterilizing and disinfecting the filtered sewage and a water storage tank used for temporarily storing sterilized and disinfected purified water, the water collecting and purifying system for the municipal roadside can perform secondary filtration, sterilization and disinfection and filtration and purification on collected municipal wastewater, greatly improves the treatment effect on the collected municipal wastewater, can realize collection and utilization of the municipal wastewater, can avoid waste of water resources, realizes reutilization of the water resources, and is beneficial