Preservative film packaging box

The utility model belongs to the technical field of preservative film packaging boxes, and particularly relates to a preservative film packaging box which comprises a preservative film outer box body, a mounting shaft used for mounting a preservative film is rotatably connected to the interior of the preservative film outer box body, and a limiting traction plate used for conducting traction limiting on the end of the preservative film is arranged outside the preservative film outer box body. A sealing seat used for sealing is connected to the bottom of the limiting traction plate in a clamped mode, a sawtooth cutting plate used for cutting a preservative film is fixedly connected to one side of the top of the sealing seat, and a receding groove used for containing the end of the preservative film is formed in the top of the sealing seat. In the process of pulling the end of the preservative film, the end of the preservative film can be in a flat state, subsequent use of the preservative film is facilitated,