A microwave oven having an apparatus for wireless data transmitting and receiving from an external system, the microwave oven comprising: a wireless data transmitting/receiving unit for conducting wireless data communication with an external system including a data transmitting/receiving information appliance; a data storage unit for storing transmitted/received data through the wireless data transmitting/receiving unit and/or downloaded data from Internet; a display unit for displaying transmitted data from the wireless data transmitting/receiving unit; a load drive unit for driving a magnetron and/or a heater; and a microcomputer interfaced with the wireless data transmitting/receiving unit, the data storage unit, the display unit, and the load drive unit, and interpreting the transmitted data from the wireless data transmitting/receiving unit and/or checking on user's requests or the present state of the microwave oven periodically or aperiodically a state of the microwave oven; wherein the wireless data transmitting/receiving unit is capable of conducting wireless data communication with the external system via the data transmitting/receiving information appliance; the wireless data transmitting unit is configured to transmit data on a present internal state of the microwave oven to the data transmitting/receiving information appliance for repairing or controlling the microwave oven; the operation of the microwave oven is controllable by the data transmitting/receiving information appliance; and the microwave oven and the data transmitting/receiving information appliance are communicating interactively by wireless data transmitting/receiving communication. a wireless data transmitting/receiving unit for conducting wireless data communication with an external system including a data transmitting/receiving information appliance; a data storage unit for storing transmitted/received data through the wireless data transmitting/receiving unit and/or downloaded data from Internet; a display unit for displaying transmitted data from the wireless data transmitting/receiving unit; a load drive unit for driving a magnetron and/or a heater; and a microcomputer interfaced with the wireless data transmitting/receiving unit, the data storage unit, the display unit, and the load drive unit, and interpreting the transmitted data from the wireless data transmitting/receiving unit and/or checking on user's requests or the present state of the microwave oven periodically or aperiodically a state of the microwave oven; wherein the wireless data transmitting/receiving unit is capable of conducting wireless data communication with the external system via the data transmitting/receiving information appliance; the wireless data transmitting unit is configured to transmit data on a present internal state of the microwave oven to the data transmitting/receiving information appliance for repairing or controlling the microwave oven; the operation of the microwave oven is controllable by the data transmitting/receiving information appliance; and the microwave oven and the data transmitting/receiving information appliance are communicating interactively by wireless data transmitting/receiving communication.