Medical gastrostomy fixing device

The utility model provides a medical gastrostomy fixing device. The medical gastrostomy fixing device comprises a waist fixing belt, a shoulder fixing belt, a sliding box and a containing assembly. The two shoulder fixing straps are respectively arranged above the waist fixing strap, and a sliding rail is arranged on one shoulder fixing strap; the sliding box is in sliding connection with the shoulder fixing belt through the sliding rail; the storage assembly further comprises a storage bag and an extension bag, the storage bag is arranged on one side of the sliding box, the bottom of the storage bag is communicated with one end of the extension bag, the other end of the extension bag is provided with a protective cover and connected with the protective cover in a communicated mode, and a plurality of fixing stickers are evenly distributed on the side face of the protective cover. In the specific use process, the sliding box slides to adjust the position of the storage assembly to be close to the abdominal in