The utility model discloses a wireless LED (light emitting diode) display system, which comprises an emitting host machine, a receiving host machine and an LED display screen, wherein the LED display screen is connected with the receiving host machine, the emitting host machine comprises an RS-232 interface, a first wire jumper socket J1, an NRF24L01+ wireless emitting module, a first display control module and a power supply circuit, the RS-232 interface is connected with a first MCU (micro control unit), the first wire jumper socket J1, the NRF24L01+ wireless emitting module and the first display control module are respectively connected onto the first MCU, the receiving host machine comprises a second MCU, an NRF24L01+ wireless receiving module, a power supply module, a second display control module and a second jumper wire socket are respectively connected onto the second MCU, and the receiving host machine is connected with the LED display screen through a 2X8 socket. The wireless LED display system has the beneficial effects that the technology is simple, the cost is low, and the system belongs to a new wireless transmission LED display system.