A deodorant fiber comprises a thermoplastic resin containing 0.1 to 10 weight %, with respect to the weight of said fiber, of a complex oxide comprising oxides of at least two metals selected from the divalent or trivalent metals, and coated with 0.1 to 5 weight %, with respect to the weight of said fiber, of an agent comprising a surfactant composition comprising 20-80 weight % of the component A and 80-20 weight % of the component B and/or the component C. The A is at least one compound selected from a group consisting of betaine amphoteric compounds, carbonyl compounds and vinyl ether-maleic anhydride copolymers. The B is a nonionic surfactant comprising at least one substance selected from a group consisting of nonionic surfactants based on alkylene oxide adducts and nonionic surfactants based on polyvalent alcohols. The component C is an anionic surfactant comprising at least one substance selected from a group consisting of carbonates, sulfonates, sulfate ester salts and phosphate ester salts.
