A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device is arranged to operably transmit a corresponding first device information to the Bluetooth host device. The second member device is arranged to operably transmit a corresponding second device information to the Bluetooth host device. The Bluetooth host device is arranged to operably control a display device to simultaneously display a first device item for representing the first member device and a second device item for representing the second member device in a graphical user interface. The Bluetooth host device is further arranged to operably establish a Bluetooth connection with the first member device and conduct pairing procedure with the first member device after receiving a selection command corresponding to the first member device.