A display device and a wireless connection control method thereof are disclosed. In this case, a method of controlling a wireless connection to a device by a display device operating as an access point comprises the steps of: broadcasting a first signal including first information; assigning an IP to only a first device among a plurality of devices and connecting the device; and transmitting a radio packet including data to the first device, wherein when the first device is connected, a second signal is broadcast to block and control an attempt for an automatic wireless connection of another device other than the first device.