Method and terminal for realizing file search based on Bluetooth technology as well as Bluetooth device

The invention discloses a method and a terminal for realizing file search based on the Bluetooth technology as well as a Bluetooth device. The method comprises the steps of receiving a voice command via the Bluetooth device, obtaining key information from the voice command, searching a target file comprising the key information in a database, and if the target file exists in the database, processing the target file and feeding feedback information to the Bluetooth device so that the information can be output by the Bluetooth device. According to the method, a user can find out the desired target file only by use of the Bluetooth device, and the related information of the target file expected to be obtained by the user is output by use of the function of the Bluetooth device.