Improved stoma fixing waistband

The utility model discloses an improved fixed stoma waistband which comprises an elastic band, one end of the elastic band is fixedly connected with a clamping seat, the other end of the elastic band is fixedly connected with a buckle, the clamping seat is provided with a first groove, a third through groove and a fourth through groove, the third through groove is communicated with the fourth through groove, the first groove is matched with the buckle, and the second groove is matched with the buckle. A clamping block is rotationally connected to the buckle, a first protruding part is arranged at the end, away from the buckle, of the clamping base, a second protruding part is arranged at the end, away from the clamping base, of the buckle, and the first protruding part and the second protruding part press the two sides of the upper end of the ostomy bag correspondingly. The two sides of the upper end of the ostomy bag are pressed through the second protruding part on the buckle and the first protruding part o