Abstract: “CONSTRUCTIVE DEVICE INTRODUCED IN PACKAGING FOR UNDERWEAR”characterized by the fact of its comprising two basic elements, which are a cardboard (1) or some other appropriate laminate, and a plastic cover (2) that envelops the cardboard including the product fixed to it; the cardboard (1) is divided into two sections (3) that can be folded (one over the other) along the folding line (4); the sections (3) of the cardboard (1) define a top cover (5) and a lower back cover (6), the back cover (6) having a set of cutouts (7) made in such a way as to create openings (8) for introducing and fastening the two sides of the underwear V, including its mid-lower part, being that the clothing mentioned can be a panty; said cardboard is assembled inside the plastic cover (2), which is developed in such a way as to almost entirely cover both surfaces (inner and outer) of each of the sections (3).