The invention discloses an automatic rewinding machine. The automatic rewinding machine comprises a rack, a control system, a rewinding cutting mechanism, a winding mechanism, a labeling mechanism, a feeding mechanism, a rotating clamping mechanism, a paper tube feeding device and a glue dropping device, wherein the rewinding cutting mechanism is used for rewinding and cutting raw materials; the winding mechanism is used for winding the rewound and cut raw materials; the labeling mechanism is used for sealing and labeling products wound by the winding mechanism; the feeding mechanism is used for providing raw materials for the rewinding cutting mechanism; the rotating clamping mechanism is used for transferring paper tubes for the rewinding cutting mechanism; the paper tube feeding device is used for providing paper tubes for the rotating clamping mechanism; and the glue dropping device is used for applying glue to the paper tubes; the rewinding cutting mechanism, the winding mechanism, the labeling mechanism, the feeding mechanism, the rotating clamping mechanism and the paper tube feeding device and the glue dropping device are arranged on the rack; and the rewinding cutting mechanism, the winding mechanism, the labeling mechanism, the feeding mechanism, the rotating clamping mechanism and the glue dropping device are connected to the control system. The automatic rewinding machine can automatically complete rewinding of aluminum foils or thin films and the like and greatly improves rewinding efficiency and a rewinding effect.