The present disclosure provides a LED display device, which includes: a LED display substrate and a driving substrate opposite to each other, the LED display substrate includes: a base and a plurality of LED chips located on a side of the base distal to the driving substrate; the driving substrate includes: a PCB and a driving control element located on the PCB, and the driving control element is electrically coupled to the LED chips through a plurality of first signal wires for providing driving signals for the LED chips.