The invention discloses an automatic labeling machine with a double-sided labeling function. The machine comprises a bottom plate, a labeling assembly, a turning assembly and a transferring assembly,wherein a mounting frame is arranged at the bottom of the labeling assembly, the labeling assembly is located above the front side of the bottom plate, a main conveying belt is mounted on the right side of the upper surface of the bottom plate, an auxiliary conveying belt is arranged on the left side of the main conveying belt, a steering table is arranged at the bottom of the turning assembly, the turning assembly is located on the rear side of the main conveying belt, a pneumatic chuck is arranged on the front side of the upper portion of a steering table, a toothed column is connected to the rear side of the pneumatic chuck, meshing strips are arranged below the two ends of the toothed column, hydraulic rods are connected to the rear sides of the meshing strips, a frame is arranged above the transferring assembly, and the transferring assembly is located above the rear side of the bottom plate. According to the automatic labeling machine with the double-sided labeling function, double-sided labeling on products can be completed through the turning assembly and the transferring assembly, the labor cost is reduced, and the production efficiency is improved.