Lifting sliding display screen

Disclosed is a lifting sliding display screen. A display screen of an existing computer cannot ascend and descend and cannot slide front and back, and use is inconvenient. The display screen comprises a bottom plate (1), two parallel inverted-T-shaped grooves are formed in the bottom plate, inverted-T-shaped sliding rods are inserted in the inverted-T-shaped grooves, the inverted-T-shaped sliding rods are connected through a cross beam (2), the cross beam is provided with two parallel front inserting openings (3) and two parallel rear inserting openings (4), threaded holes are connected with screws (5), a left front L-shaped inserting piece (6) and a right front L-shaped inserting piece (7) are inserted in the front inserting openings and a front transverse inserting groove respectively, a left rear L-shaped inserting piece (8) and a right rear L-shaped inserting piece are inserted in the rear inserting openings and a rear transverse inserting groove respectively, the left front L-shaped inserting piece and the left rear L-shaped inserting piece are connected with a left rotating shaft (10) in an inserting mode, and the right front L-shaped inserting piece and the right rear L-shaped inserting piece are connected with a right rotating shaft (11) in an inserting mode. The left rotating shaft is connected with a left gear (12) and a right rotating shaft is connected with a right gear (13). The lifting sliding display screen is used for the field of display screens.