The present invention is related to a method and an apparatus for avoiding collision in a Bluetooth reconnection procedure. A method and an apparatus according to the present invention comprises measuring energy level of a received signal transmitted through a first channel; changing the first channel to the second channel when the energy level is larger than a predetermined threshold value; transmitting a trigger packet to a second device through the second channel; receiving a beacon packet through the second channel from the second device; and establishing a connection with the second device, wherein the first device stores information related to Bluetooth connection with the second device.