Decorative panel for vehicle roof

The invention relates to the technical field of vehicle cleaning devices, and particularly provides a decorative plate for the top of a vehicle. The decorative plate for the top of the vehicle comprises a decorative plate main body rotationally assembled on the top of the vehicle, a cleaning system for cleaning the top of the vehicle is arranged on the decorative plate main body, and the cleaning system comprises a pipeline arranged in the extending direction of the decorative plate main body; a plurality of nozzles for spraying fluid in the pipeline to the outer side of the pipeline are arranged on the pipeline at intervals, and a connecting part for being connected with an external fluid source is arranged on the pipeline. The cleaning system for cleaning the sundries accumulated at the top of the vehicle is arranged on the decorative plate body, the accumulated sundries can be regularly and actively cleaned, the nozzles capable of spraying fluid outwards are arranged in the cleaning system, the accumulated