The utility model relates to a device for transferring articles between floors. The device comprises a transfer pipe longitudinally inserted between the floors in a penetrating mode, and transfer balls located in the transfer pipe, wherein the upper end and the lower end of the transfer pipe are provided with a water inlet and a water outlet respectively, a transfer opening is formed in the wall, located in each floor, of the transfer pipe, and each transfer opening is provided with a sealing plate. According to the device for transferring articles between floors, the transfer balls are driven in the transfer pipe through buoyancy, and therefore articles in the transfer balls can be transferred between the floors, and convenience is provided for handling official business; driving substances are water easy to obtain, the overall structure is simple, and water can be utilized cyclically.