Sanhua plum packaging box with fresh-keeping effect

The utility model provides a Sanhua plum packing box with a fresh-keeping effect, which relates to the technical field of packing boxes, and comprises a box body a, a box body b is arranged on the top surface of the box body a, a rotating shaft is rotatably arranged in the box body a, a rotating rod is fixedly arranged on the surface of the rotating shaft close to one side, a gear is fixedly arranged on the surface of the rotating shaft, and the gear is fixedly connected with the box body b. A rotating handle is rotatably arranged at one end of the rotating shaft, a long groove is formed in the position, close to the rotating rod, of the surface of the box body a, a limiting block slides on the surface of the long groove, a spring is fixedly connected between the limiting block and the long groove, and an inserting block is fixedly installed on the bottom face of the box body b. By arranging the box body a, the box body b, the rotating shaft, the rotating rod, the gear, the rotating handle, the long groove, t