The construction process of non excavation pit and trench spraying repair uses high concentration and high viscosity water-based polymer composite materials as bonding materials, washed single particle size crushed stones as aggregates, and integrates four construction workers into one spraying machine: high-pressure wind cleaning of the pit and trench, spraying bonding materials as adhesive layer oil, mixing bonding materials and aggregates for spraying, and spraying curing materials. Permanent repair of cracks, fissures, subsidence, and potholes on asphalt and cement pavements.