The paper reel of a paper reel is a device used for paper manufacturing. It mainly includes two mounting plates and a paper reel body, and the two mounting plates are movably connected through a first rotating shaft. There is also a paper pressing roller between the two mounting plates, and the paper pressing roller is located at the top of the paper reel body. The outer end of the paper reel body contacts the outer end of the paper pressing roller, and the two ends of the paper pressing roller are respectively movably connected to the inner side of the two connecting blocks through the second rotating shaft. In addition, two springs are arranged inside the groove, the springs are arranged at the top of the connecting block, and the two ends of the springs are respectively fixedly connected to the top of the groove and the top of the connecting block.