A voice-controlled TV set comprises a storage device, a voice controller, and a processor. The storage device is used to store a plurality of application programs, which is utilized to execute the various functions of the TV set; the voice controller is used to receive the voice of the user, and compare said voice with more than one voice instruction and then output a control code. Finally, the processor is used to execute the application program corresponding to the control code, so that the voice-controlled TV set is able to perform various functions according to the voice instructions given by the user.