Parapet wall decorative plate connecting structure assembly

The utility model relates to the technical field of decorative plate connecting structures, and discloses a parapet wall decorative plate connecting structure assembly which comprises a wall body, a coping arranged at the top end of the wall body, a vertical waterproof layer arranged on the inner side of the wall body and a horizontal waterproof layer arranged on the bottom edge of the coping. The inner side of the coping exceeds the inner side of the wall body, vertical decorative plates are fixed to the outer side of the wall body and the inner side and the outer side of the coping through connecting pieces, a horizontal decorative plate is fixed to the top of the coping through a connecting piece, and a right triangle area is formed between the contact ends of the horizontal decorative plate and the vertical decorative plates. Corner decoration blocks are fixed in the right triangle areas through corner sealants in a bonding mode. The connecting piece comprises an expansion bolt, angle iron, a square tube