Novel building wall

The utility model discloses a novel building wall which comprises a base plate, a bottom plate is laid on the base plate, a wall plate is arranged on the side wall of the bottom plate in a matched mode, the bottom end of the wall plate is provided with an inverted-L-shaped abutting groove matched with the side edge of the bottom plate, and the top end of the wall plate is provided with a cover plate. Clamping grooves matched with the top ends of the wall body plates are formed in the lower portions of the two sides of the cover plate, each clamping groove is formed by combining a pair of supporting plates parallel to the bottom end of the cover plate, and each wall body plate is sequentially provided with a veneer, a heat insulation layer, a heat preservation layer and a waterproof layer from top to bottom; semicircular rubber abutting strips are evenly arranged on the outer side face of the waterproof layer at intervals. The wall body plates on the two sides are connected with the bottom plates through first