A voice control system is adapted for controlling an electrical appliance, and includes a host and a portable voice control device. The portable voice control device is capable of wireless communication with the host, and includes an audio pick-up unit for receiving a voice input. One of the host and the portable voice control device includes a voice recognition control module that is configured to recognize a control command from the voice input. The host controls operation of the electrical appliance according to the control command, and transmits an appliance status message to the portable voice control device. The portable voice control device further includes an output unit for outputting the appliance status message.