The invention discloses a multi-function wall skin shoveling machine for decoration. The multi-function wall skin shoveling machine comprises a base, a hydraulic tank is arranged at the top of the base, a hydraulic push rod is led out of the top of the hydraulic tank, the hydraulic push rod vertically extends upwards, an adjusting seat is installed at the top of the hydraulic push rod, and an installation seat is installed on the adjusting seat through a bolt. A fixing support is installed at the top of the installation seat through a bolt, an electric sliding rail is arranged on one side of the installation seat, a sliding block is arranged in the electric sliding rail, and the electric sliding rail is slidably matched with the sliding block. An adjusting support is hinged to the side face of the fixing support, a wall skin shoveling roller is installed on one side, away from the fixing support, of the adjusting support, the wall skin shoveling roller is connected to the output end ofa motor through a rotating shaft, and four groups of universal wheels are installed at the bottom of the base. The multi-function wall skin shoveling machine for the decoration is simple in structure, improves the convenience of shoveling the wall skin during decoration, facilitates the operation, can adjust the depth of the wall skin shoveling in real time according to actual needs, and is practical.