A magnetic resonance system, comprising: a magnetic resonance magnet; a storage container configured to contain the magnetic resonance magnet and an endothermic liquid; a first ramping-down device configured to trigger releasing first electric energy from the magnetic resonance magnet, the first ramping-down device including an electric energy consumption device residing outside the storage container and configured to consume at least a portion of the first electric energy released by the magnetic resonance magnet; and a second ramping-down device configured to increase a temperature of the magnetic resonance magnet such that the magnetic resonance magnet loses superconductivity and releases second electric energy at least a portion of which is absorbed by the endothermic liquid; wherein the first ramping-down device further includes a superconductor, a first heater, a first ramping-down switch group, and a first power source, wherein the first ramping-down switch group includes one switch or at least two switches connected in parallel; the superconductor is coupled to the magnetic resonance magnet electrically; the first ramping-down switch group, the first power source, and the first heater are connected in series to form a first circuit; the superconductor and the electric energy consumption device form a third circuit parallel to the first circuit when the first ramping-down switch group is closed such that the first power source supplies power to the first heater; the first heater is configured to heat the superconductor such that the superconductor changes from its superconducting state to a resistive state and that the magnetic resonance magnet and the electric energy consumption device form a fourth circuit; the second ramping-down device includes a second heater contained in the storage container, a second ramping-down switch group, and a second power source, wherein the second ramping-down switch group includes one switch or at least two switches connected in parallel; the second ramping-down switch group, the second power source, and the second heater are connected in series to form a second circuit; and the second heater is configured to heat the magnetic resonance magnet when the second ramping-down switch group is closed such that the second power source supplies power to the second heater, thereby ramping down the magnetic resonance system. a magnetic resonance magnet; a storage container configured to contain the magnetic resonance magnet and an endothermic liquid; a first ramping-down device configured to trigger releasing first electric energy from the magnetic resonance magnet, the first ramping-down device including an electric energy consumption device residing outside the storage container and configured to consume at least a portion of the first electric energy released by the magnetic resonance magnet; and a second ramping-down device configured to increase a temperature of the magnetic resonance magnet such that the magnetic resonance magnet loses superconductivity and releases second electric energy at least a portion of which is absorbed by the endothermic liquid; wherein the first ramping-down device further includes a superconductor, a first heater, a first ramping-down switch group, and a first power source, wherein the first ramping-down switch group includes one switch or at least two switches connected in parallel; the superconductor is coupled to the magnetic resonance magnet electrically; the first ramping-down switch group, the first power source, and the first heater are connected in series to form a first circuit; the superconductor and the electric energy consumption device form a third circuit parallel to the first circuit when the first ramping-down switch group is closed such that the first power source supplies power to the first heater; the first heater is configured to heat the superconductor such that the superconductor changes from its superconducting state to a resistive state and that the magnetic resonance magnet and the electric energy consumption device form a fourth circuit; the second ramping-down device includes a second heater contained in the storage container, a second ramping-down switch group, and a second power source, wherein the second ramping-down switch group includes one switch or at least two switches connected in parallel; the second ramping-down switch group, the second power source, and the second heater are connected in series to form a second circuit; and the second heater is configured to heat the magnetic resonance magnet when the second ramping-down switch group is closed such that the second power source supplies power to the second heater, thereby ramping down the magnetic resonance system.