Fousing on demands in military and civilian fields for new coated composite functional material, farinas, using as nucleus and metallized by chemical plating copper method, are enwraped by cupreous crusts and made into metallic farinas. By using scanning electron microscope, Fourier transform infrared spectrometer and microwave testing system, metallic farinas′ structure characteristic, electromagnetic properties in infrared and microwave band are tested. The SEM picture shows that metallic farinas have complete morphology, without fracture or deformation. Their cupreous crusts′ thickness is homogeneous, about 1 μm, and have compact structure. The results of infrared and microwave band experiments show that metallic farinas′ electromagnetic properties in infrared and microwave band are determined by their cupreous crusts, reflecting and absorbing infrared and microwave intensively. Metallic farinas, whose metallic crusts have strong attenuation capability and fraina nuclus are lightweight, are practicable to be used as functional material in infrared and microwave band.