Environment-friendly label for packaging box

The utility model relates to the technical field of environment-friendly labels, and discloses an environment-friendly label for a packaging box, which comprises a patch and a fixing plate, the patch is fixed in the fixing plate, the outer side of the fixing plate is provided with a buffer layer, the outer side of the buffer layer is provided with a cover plate, the cover plate is movably mounted on the outer side of the fixing plate, and the cover plate is fixed on the outer side of the fixing plate. The inner side of the cover plate is provided with label paper, the label paper is arranged on the inner side of the buffer layer, the outer side of the cover plate is provided with a fixing buckle, the fixing buckle is fixed to the outer surface of the cover plate, the fixing buckle is connected with the fixing plate in a clamped mode, and the middle of the cover plate is designed to be a transparent plate. The environment-friendly label for the packaging box can be used for identifying the packaging box, and c