The invention discloses a double-slide-shoe bearing tube mill outlet screening structure capable of realizing thermal interruption. The structure comprises an outlet material raising device and a barrel sliding ring which are connected with a discharge end of a tube mill barrel; the tube mill barrel is also internally provided with a liner plate; the barrel sliding ring is internally provided with a barrel web along the transverse direction of the barrel sliding ring; a support device for the outlet material raising device is also arranged between the barrel web and the tail end of the liner plate; the outlet material raising device is connected with the outer side, close to an outlet of the tube mill barrel, of the barrel sliding ring by means of the support device, and the barrel web is connected with the tail end of the liner plate by a plurality of bolts; a first heat insulation pad is arranged between the tube mill barrel and the liner plate; a second heat insulation pad is also arranged between the support device for the outlet material raising device and the barrel web; the support device is also provided with a plurality of bracket steel plates along the direction of the tube mill barrel; a plurality of third heat insulation pads are arranged at intervals at one side of the bracket steel plate. The outlet screening structure provided by the invention is good in heat insulation effect, and enables a rear pad of a tube mill to continuously work for a long time without being damaged.