▎ 摘　　要

NOVELTY - Magnetic refrigeration module (10) comprises film (11), where the film including graphene material, and magnetocaloric materials (15), where the magnetocaloric material forms nanoparticles attached to the surface of the film. USE - The magnetic refrigeration module is useful in magnetic refrigeration device (claimed). DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) magnetic refrigeration device; and (2) preparing magnetic refrigeration module, comprising providing film, where the film comprises graphene material, distributing the magnetocaloric material on the surface of the film, heating the magnetocaloric material into molten state, and cooling the magnetocaloric material and the film, where the magnetocaloric material is made to form nanoparticles on the surface of the film. DESCRIPTION OF DRAWING(S) - The drawing shows perspective view showing an upper surface and a lower surface of a self-diagnosis kit. Magnetic refrigeration module (10) Film (11) Magnetocaloric materials (15)