Scaffold wall connecting piece and scaffold wall connecting structure

The utility model discloses a scaffold wall connecting piece which comprises an embedded part, a fixing plate is fixedly welded to the end of the embedded part, a sinking area is preset in the middle of the fixing plate, second fixing holes are evenly preset in the position, at the sinking area, of the fixing plate, and first fixing holes are preset in the positions, on the outer sides of the second fixing holes, of the fixing plate. The wall connecting structure of the scaffold comprises a fixing steel pipe, a sleeve is fixedly welded in the fixing steel pipe, a positioning plate is fixedly welded to the upper left end of the fixing steel pipe, the positioning plate is screwed into a first fixing hole through a second bolt to be fixed, and a limiting block on a positioning rod is located between a fixing plate and a reinforcing plate. The right end of the positioning rod is inserted into the fixed steel pipe and the sleeve. According to the scaffold wall connecting piece and the scaffold wall connecting stru