A method of manufacturing an ornament includes: providing a pair of continuous regions facing one another in a flexible sheet; forming a plurality of slits between the pair of continuous regions to form a plurality of ornament strips, wherein the plurality of ornament strips are separated from each other while both ends of the plurality of ornament strips are integrally formed with the pair of continuous regions; and reversing the plurality of ornament strips with respect to the pair of continuous regions such that the plurality of ornament strips radiate to form into an arc between the pair of continuous regions, while coupling each of the pair of continuous regions to be formed into a ring.