To provide a surface-decorating structure for a fishing tackle to which various kinds of decoration forms, such as, a single color part, a part colored except inside, a blurred patterned part and a patterned part are applied, while maintaining the lightweight at the decorative face.

A single decoration layer 2 is formed on the outer periphery of a rod material A. The decorative layer 2 has the hollow part 2A transparent in the inside, the blurred patterned part 2B wherein the color changes gradually, the different color-patterned part 2C obtained by combining a plurality of different colors, and a deep colored part 2a. An ink-jet head 5 is controlled based on the information corresponding to the hollowed part 2A, the blurred patterned part 2B and the different color-patterned part 2C. The part 2A and the like are formed by a one-time decorating operation of the ink-jet head 5, by formulating a plural kinds of basic color inks in arbitrary proportions and applying the formulated product.