Advertising board box fixing structure

The utility model discloses an advertising board box body fixing structure, which relates to the technical field of advertising board box body installation and comprises a wall body, an advertising box main body is installed on the side surface of the wall body, an L-shaped supporting bottom plate is installed at the bottom of the advertising box main body, and an installation assembly is installed on the right side of the L-shaped supporting bottom plate. And the mounting assembly comprises a mounting sliding groove formed in the top of the L-shaped supporting bottom plate, a mounting sliding rail is clamped in the mounting sliding groove, an L-shaped limiting plate is welded to the top of the mounting sliding rail, and the L-shaped limiting plate and the mounting sliding rail are correspondingly arranged. According to the advertising board box body fixing structure, the advertising box body is installed through the installed installation assembly, the advertising box body is limited through the installed L-