A method for identifying a Bluetooth headset voice source includes: S1: establishing a connection between a device itself, that is, a first Bluetooth headset, and a smart terminal and a connection between the first Bluetooth headset and a second Bluetooth headset separately; and S2: when the first or second Bluetooth headset sends a voice, establishing a data control channel by using Generic Attribute Profile and Attribute Protocol, sending a corresponding identifier to the smart terminal according to different voice sources, and then sending the voice to the smart terminal. A device for identifying a Bluetooth headset voice source includes a baseband circuit (1), a memory (2), and a main controller (3). The program in the memory (2) is used for performing the method for identifying a Bluetooth headset voice source. The method and device can solve the problem about identifying voice sources of two Bluetooth headsets.