Disclosed herein is a printing medium, comprising a base material and an ink-receiving layer provided on at least one side of the base material, wherein the ink-receiving layer comprises, in combination as essential components, a hydrophilic resin and a cationic compound comprising both structural units of the formulae (I) and (II) ##STR1## wherein R1, R2, R4 and R5 are independently hydrogen or an alkyl group having 1 to 3 carbon atoms, R3 is a phenyl, naphthyl, benzyl or phenethyl group, R6 is an alkyl group the main chain of which has 10 to 30 carbon atoms, and X.sup.- is a halide ion selected from the group consisting of chloride, bromide and iodide ions, a sulfate ion, an alkylsulfate ion selected from the group consisting of methylsulfate and ethylsulfate ions, an alkyl- or arylsulfonate ion, or an acetate ion, and the cationic compound is used in combination in a proportion of 1 to 40 parts by weight per 100 parts by weight of the hydrophilic resin.