The invention discloses a fully automatic film mounter, comprising a machine table, a cam divider assembly, a wafer feeding mechanism, a steel ring feeding mechanism, a pressing film cutter assembly, a labeling assembly, a finished product unloading mechanism, The white film raw material shaft, the white film waste material receiving shaft and the steel ring receiving mechanism, the cam divider assembly is set in the middle of the machine, the steel ring feeding mechanism, the pressing film sticking cutter assembly, and the labeling assembly and the finished product unloading mechanism are all arranged on the cam divider assembly, the white film raw material shaft and the white film waste material receiving shaft are respectively located on the two sides of the upper end of the pressing film cutter assembly, and the steel ring receiving mechanism is arranged on It is on the machine table and is located on one side of the finished product unloading mechanism. Through the above method, the present invention fully realizes the automation of film sticking and labeling, the overall structure is compact, the integration is high, the production efficiency is high, the film is firm, there is no obvious air bubble between the film and the steel ring, the production process is intelligent and data-based, and the whole Automatic production, easy operation.