The utility model discloses a road repairing material heating device which comprises a reinforcing mesh, a plurality of supporting legs are evenly fixed to the bottom face of the reinforcing mesh, anda shell with an opening in one side is fixed to the top face of the reinforcing mesh. The plurality of heating elements and the temperature sensor are uniformly distributed in the shell; the switch,the temperature display and the switching power supply are arranged on the outer surface of the shell; the switch is electrically connected with the heating element, and the temperature display is electrically connected with the switching power supply and the temperature sensor. The utility model discloses a road repairing material heating device. The road repairing device can be placed on a roadsurface, a road repairing material is placed on the reinforcing mesh from the opening, the road repairing material is heated to 30-50 DEG C through the heating element in the shell, the heated road repairing material directly falls on the road surface from meshes of the reinforcing mesh, and then the heated road repairing material is manually shoveled out through a shovel to be used for repairinga pit slot in the road surface. The heating device overcomes the defect that the conventional road pit slot cannot be repaired in time, and reflects the timeliness of pavement maintenance.