The invention discloses a wire protection sleeve assembly with a built-in Bluetooth module, a BLDC motor controller and a motor. The wire protection sleeve assembly comprises a wire protection sleeve main body, the wire protection sleeve main body is an injection molding body, the wire protection sleeve main body is provided with an installation groove, a circuit board is embedded in the installation groove, the Bluetooth module is integrated on the circuit board, the circuit board is electrically connected with a plurality of leads, the leads are led out of the wire protecting sleeve main body and are electrically connected with the motor controller; the Bluetooth module is arranged in the wire protection sleeve main body, and then the wire protection sleeve main body is embedded in a control box, so that the space is reasonably utilized, the Bluetooth module is prevented from being directly arranged on the motor, the size of the motor is reduced, the use of parts is reduced, and the manufacturing cost is reduced; the Bluetooth module is directly and electrically connected with the main control circuit board of the motor controller, so that a built-in battery is prevented from being additionally arranged, the motor assembly steps are simplified, and the assembly efficiency is improved; and besides, the wire protection sleeve main body is an injection-molded body, so that the shielding effect on wireless signals can be weakened, and the influence on signal transmission can be avoided.