The utility model relates to a selectivity heat energy -saving LED display screen that looses belongs to LED and shows technical field. A selectivity heat energy -saving LED display screen that looses, includes box body frame, LED display module assembly, heat abstractor, thalposis sensor and controlling means, the LED display module assembly, heat abstractor, thalposis sensor and controlling means fix in box body frame, display screen screen in the LED display module assembly exposes, one deck thalposis sensor is posted at the back of LED display module assembly display screen, the thalposis sensor back is equipped with heat abstractor, heat abstractor is including removing the frame, the sliding block, fan and motor, it comprises two billets to move the frame, the billet both ends are embedded into in the main frame frame, two billets link together through the sliding block, the sliding block is sliding connection with the billet contact surface, the fan embedding is in the sliding block, controlling means is connected with heat abstractor and thalposis sensor respectively. Selectivity heat energy -saving LED display screen that looses have rational in infrastructurely, the power consumption is low, characteristics that the radiating effect is good.