Back door protection plate assembly for vehicle and vehicle with back door protection plate assembly

The utility model discloses a back door protection plate assembly for a vehicle and the vehicle with the back door protection plate assembly, the back door protection plate assembly comprises a protection plate body, a back door protection plate, a back door protection plate and a back door protection plate, the fixing seat is arranged in the storage groove, and a mounting space which can be selectively opened towards the outside is formed in the fixing seat; the triangular warning frame is selectively contained in the installation space so that the triangular warning frame can be fixed in the containing groove. According to the back door protection plate assembly designed by the utility model, the triangular warning frame can be selectively accommodated in the mounting space so as to be fixed in the accommodating groove of the protection plate body, so that the efficiency of taking the triangular warning frame is improved, and meanwhile, the situation that a large amount of time is spent on finding the trian