An electronic device, comprising: a housing assembly; a sliding rail assembly assembled to the housing assembly and comprising at least one sliding rail, the sliding rail comprising a front surface and a rear surface opposite to the front surface; at least one reel assembly fixed to an edge of the sliding rail slidable outwards from the housing assembly; and a flexible screen, a first part of the flexible screen being provided at the front surface of the sliding rail and fixed to the housing assembly, the flexible screen comprising at least one winding end, a second part of the flexible screen being extendably and retractably wound around the reel assembly through the winding end, and the sliding rail being configured to extend the second part of the flexible screen from the reel assembly when slid outwards from the housing assembly and to retract the second part of the flexible screen to the reel assembly when slid towards the housing assembly from an outside, a driving assembly assembled to the housing assembly, coupled to the sliding rail, and configured to drive the sliding rail to slide; the driving assembly comprises a driving assembly support fixed to the housing assembly and at least one driving unit assembled to the driving assembly support and configured to drive the sliding rail to slide; and characterized in that at least two sliding rails are provided, the driving unit comprises a first transmission lead screw, a second transmission lead screw, a first guide rod, a driving member and a pushing member, the first transmission lead screw and the first guide rod are assembled to the driving assembly support, the second transmission lead screw is axially movably assembled to the driving assembly support, and the driving member is configured to drive the first transmission lead screw to rotate; and the pushing member is provided with a sliding hole, a first transmission hole and a second transmission hole, the sliding hole is slidably fitted over the first guide rod, the first transmission hole is drivingly coupled to the first transmission lead screw, the second transmission hole is drivingly coupled to the second transmission lead screw, the second transmission lead screw and the pushing member have opposite moving directions, the pushing member is configured to drive one of the at least two sliding rails to slide, and the second transmission lead screw is configured to drive another one of the at least two sliding rails to slide. a housing assembly; a sliding rail assembly assembled to the housing assembly and comprising at least one sliding rail, the sliding rail comprising a front surface and a rear surface opposite to the front surface; at least one reel assembly fixed to an edge of the sliding rail slidable outwards from the housing assembly; and a flexible screen, a first part of the flexible screen being provided at the front surface of the sliding rail and fixed to the housing assembly, the flexible screen comprising at least one winding end, a second part of the flexible screen being extendably and retractably wound around the reel assembly through the winding end, and the sliding rail being configured to extend the second part of the flexible screen from the reel assembly when slid outwards from the housing assembly and to retract the second part of the flexible screen to the reel assembly when slid towards the housing assembly from an outside, a driving assembly assembled to the housing assembly, coupled to the sliding rail, and configured to drive the sliding rail to slide; the driving assembly comprises a driving assembly support fixed to the housing assembly and at least one driving unit assembled to the driving assembly support and configured to drive the sliding rail to slide; and characterized in that at least two sliding rails are provided, the driving unit comprises a first transmission lead screw, a second transmission lead screw, a first guide rod, a driving member and a pushing member, the first transmission lead screw and the first guide rod are assembled to the driving assembly support, the second transmission lead screw is axially movably assembled to the driving assembly support, and the driving member is configured to drive the first transmission lead screw to rotate; and the pushing member is provided with a sliding hole, a first transmission hole and a second transmission hole, the sliding hole is slidably fitted over the first guide rod, the first transmission hole is drivingly coupled to the first transmission lead screw, the second transmission hole is drivingly coupled to the second transmission lead screw, the second transmission lead screw and the pushing member have opposite moving directions, the pushing member is configured to drive one of the at least two sliding rails to slide, and the second transmission lead screw is configured to drive another one of the at least two sliding rails to slide.