One-piece body shaping underwear

An one-piece body-shaping underwear is disclosed in the utility model. The utility model comprises a main body of one-piece body-shaping underwear and one pair of bras; wherein, the shoulder positions of the main body of one-piece body-shaping underwear are provided with two pieces of aiguillettes for the connection of the front part and back part of the underwear, an opening is arranged between two legs of the underwear, meanwhile, two openings are provided at the breast positions at the front part of the underwear, under the oxters or at positions a little behind the oxters of the main body of one-piece body-shaping underwear, where openings are arranged, are weaved with a connecting piece for a connection and fixation of the bras, and another connecting piece which may realize a demountable connection with the previous connecting piece is arranged on the bras at a position corresponding to the main body of one-piece body-shaping underwear. The body-shaping underwear of the utility model provides two connecting pieces which may be fixedly connected and demounted on the main body of the underwear and on the bras so that the bras may still be fixed on the main body of the underwear under the precondition that aiguillettes and back cingulums are unavailable. The utility model has the advantages of comfortable feeling and nice appearance.