two cycles and the magnetocaloric material is mounted on the circular rotating plate to be rotated between the hot heat exchanger and the cold heat exchanger for the heat exchange thereby simplifying the structure of the magnetic refrigerating cycle in addition in accordance with the system since the heat transfer fluid at the atmospheric temperature is injected to the magnetocaloric material the heat transfer fluid is heated and cooled more according to a state of the material to improve an efficiency of the heat exchanger moreover since the magnetic refrigerator is divided into the hot heat exchanger and the cold heat exchanger 163 amounts of the first heat transfer fluid and the second heat transfer fluid 17 bb are controlled to be different therefore a larger amount of the first heat transfer fluid may be flown to the hot side of the magnetic heat exchange unit to maximize the cooling of the magnetocaloric material in addition the magnetocaloric material is sealed in the case to be in indirect contact with the heat transfer fluid so that the loss by the flowing the heat transfer fluid is prevented as well as preventing the oxidation for a semi permanent use moreover the groove is formed at the sidewall of the case to increase.