A radar wave camouflage structure is disclosed. The radar wave camouflage structure comprises a substrate; a first layer on the substrate, comprising a first polymer matrix; magnetic nanoparticles dispersed in the first polymer matrix, wherein the magnetic nanoparticles comprise a mixture of Fe3O4, Fe3O4—4C carbide, Fe3O4—Ni composite and Fe2O3; a second layer on the first layer, comprising a second polymer matrix; and carbon black dispersed in the second polymer matrix.