To provide a stoma sanitary device constantly executing a sanitary management by preventing a stoma from being buried in the body.

This stoma sanitary device 1 is provided with a sealer sheet 3 which has a tubular flange part 3a surrounding the external opening part of the stoma 2 discharging excrement inside the body to the outside and a sheet part 3b continuing to the flange part 3a, disposed covering the circumferential part of the stoma and being stuck to the body A, an excrement storage bag 4 mounted on the flange part 3a and storing the excrement discharged from the stoma 2, a pushing ring 5 disposed to abut on the stoma circumferential part of the sheet part 3b, and a pushing/fixing member 6 fixing the pushing ring 5 to the body and pushing the stoma circumferential part by the pushing ring 5.