Abstract:In view of the continuous occurrence of asphalt pavement diseases of municipal road, the service life of the pavement is getting shorter and shorter. The properties of different kinds of materials in the fiber seal coat in the preventive maintenance technology of asphalt pavement are analyzed. The best selection principles for various materials are given. The technical properties and construction technological process of the fiber seal coat are analyzed. The reference is provided for the maintenance and repair of asphalt pavement of municipal roads.