Parapet wall protection coping device

The utility model relates to the technical field of building construction, and discloses a parapet wall protection coping device which comprises a fastener, a fixing support and a protective cover, one end of the fastener is fixedly connected with a parapet wall through an expansion bolt, the other end of the fastener is inserted into an outer wall integrated plate, the fixing support is in lap joint with the fastener, and the protective cover is arranged on the fixing support. The fixing support is fixedly connected with the parapet wall through expansion bolts, and the two ends of the protective cover are fixedly connected with the fixing support through self-tapping screws respectively. The vertical part of the fastener is inserted into the outer wall integrated plate, so that the firmness of the outer wall integrated plate is improved, and the outer wall integrated plate is prevented from being separated from the parapet wall; the fixing support has the function of facilitating installation. The protectiv