A refrigerator including an ice-full state detecting apparatus, comprising: a refrigerator body including a cooling chamber (11, 12); a cooling chamber door (13, 14) to open and close the cooling chamber (11, 12); an ice maker installed at the cooling chamber or at the cooling chamber door (13, 14); an ice storage container to store ice made by the ice maker; and the ice-full state detecting apparatus to detect an ice-full state of the ice storage container, wherein the ice-full state detecting apparatus comprises: a ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) to detect an ice-full state of the ice storage container; a sensor heater (128, 228, 328, 440, 528, 628, 828) to heat the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820); characterized in that the ice-full state detecting apparatus further comprises: a detecting unit to detect whether the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) is in contact with external air; and a controller to control the operation of the sensor heater based on the detection result of the detecting unit; in that the ice maker is disposed at the freezing chamber, and the detecting unit detects whether or not the freezing chamber door is open; and in that the controller controls the sensor heater (128, 228, 328, 440, 528, 628, 828) to operate when the freezing chamber door is open. a refrigerator body including a cooling chamber (11, 12); a cooling chamber door (13, 14) to open and close the cooling chamber (11, 12); an ice maker installed at the cooling chamber or at the cooling chamber door (13, 14); an ice storage container to store ice made by the ice maker; and the ice-full state detecting apparatus to detect an ice-full state of the ice storage container, wherein the ice-full state detecting apparatus comprises: a ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) to detect an ice-full state of the ice storage container; a sensor heater (128, 228, 328, 440, 528, 628, 828) to heat the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820); characterized in that the ice-full state detecting apparatus further comprises: a detecting unit to detect whether the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) is in contact with external air; and a controller to control the operation of the sensor heater based on the detection result of the detecting unit; in that the ice maker is disposed at the freezing chamber, and the detecting unit detects whether or not the freezing chamber door is open; and in that the controller controls the sensor heater (128, 228, 328, 440, 528, 628, 828) to operate when the freezing chamber door is open. a ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) to detect an ice-full state of the ice storage container; a sensor heater (128, 228, 328, 440, 528, 628, 828) to heat the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820); characterized in that the ice-full state detecting apparatus further comprises: a detecting unit to detect whether the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) is in contact with external air; and a controller to control the operation of the sensor heater based on the detection result of the detecting unit; in that the ice maker is disposed at the freezing chamber, and the detecting unit detects whether or not the freezing chamber door is open; and in that the controller controls the sensor heater (128, 228, 328, 440, 528, 628, 828) to operate when the freezing chamber door is open. a detecting unit to detect whether the ice-full state detecting sensor (120, 220, 320, 420, 520, 620, 820) is in contact with external air; and a controller to control the operation of the sensor heater based on the detection result of the detecting unit; in that the ice maker is disposed at the freezing chamber, and the detecting unit detects whether or not the freezing chamber door is open; and in that the controller controls the sensor heater (128, 228, 328, 440, 528, 628, 828) to operate when the freezing chamber door is open.