A Bluetooth device and its pairing method capable of performing an accurate pairing with a user-desired Bluetooth device provide e transmitting an inquiry message for searching for at least one peripheral Bluetooth device, and in response the peripheral Bluetooth device transmits an inquiry response message including predefined pairing acceptance mark data, then upon receiving the inquiry response message including the pairing acceptance mark data, the Bluetooth device transmits a pairing request message for pairing to the peripheral Bluetooth device that forwarded the inquiry response message.