Interior design decoration wallboard fixing device

The utility model discloses an interior design decoration wallboard fixing device, and relates to the technical field of decoration wallboards, the interior design decoration wallboard fixing device comprises a wall body, the front surface of the wall body is provided with a fixing piece, the fixing piece is provided with a first wallboard and a second wallboard, and one side of the first wallboard and one side of the second wallboard are respectively provided with a connecting piece; the connecting piece comprises a clamping plate, a connecting plate is installed at one end of the clamping plate, a buckle plate is installed at one end of the connecting plate, and the fixing piece comprises a fixing plate, a supporting block installed on the front surface of the fixing plate and a cross rod installed on the surface of the supporting block. Construction personnel can conveniently adjust the positions of the wallboards on the transverse rods, the working flexibility of assembling the decorative wallboards is hi