PURPOSE:To accomplish the title treatment good in resistance to cleaning by fixedly coating the surface of a fur with a coating liquid to suppress the chemical's evaporation. CONSTITUTION:The surface of a fur is fixedly coated with a coating liquid comprising (A) a chemical for mite-and insect-proofing treatment and (B) a resin such as synthetic resin or protein resin, and the resulting fur is dried by heating under pressure to form a coating film on said surface.
