Provided are a mobile terminal and a device for improving the electromagnetic compatibility (EMC) of a display screen thereof. The mobile terminal comprises: a first display screen flexible printed circuit board (FPC) (11) respectively connected to a mainboard (17) and a display drive chip (18); a second display screen FPC (12) arranged on the left side of the first display screen FPC (11); a third display screen FPC (13) arranged on the right side of the first display screen FPC (11); a first conductive thin film (14) arranged on the upper surface of the first to third display screens FPCs (11-13) and respectively connected to the second to third display screens FPCs (12-13) and an EMC shielding ground signal end (19) of a complete machine; a second conductive thin film (15) arranged on the lower surface of the first to third display screens FPCs (11-13) and respectively connected to the second to third display screens FPCs (12-13) and the EMC shielding ground signal end (19) of the complete machine; and an EMC shielding component (16) arranged under the vertical direction of a projection region of the display drive chip (18) and respectively connected to the EMC shielding ground signal end (19) of the complete machine and the first to second conductive thin films (14-15).