A novel electric refrigerator, comprises: an air cooling system, as well as a super-cooling fresh-keeping chamber connected with the air cooling system through an induced duct and a backwind tube, and further comprises a cooling chamber and a refrigeration chamber; wherein the super-cooling fresh-keeping chamber is arranged under the cooling chamber and on the refrigeration chamber and comprises an internal chamber and external chamber with certain space therebetween. The control method of the novel electric refrigerator comprises: sensing the temperature of the super-cooling fresh-keeping chamber by a temperature sensor; sending out an instruction by a microcontroller according to the temperature to control the operation of a driving circuit; and controlling a fan to work by the driving circuit to introduce cold airflow until the super-cooling fresh-keeping chamber is maintained in a super-cooling state. The invention is characterized in that foods are kept fresh in a normal refrigeration temperature without freezing.