There is provided an intermaxillary fixation releasing device in which intermaxillary fixation can be released without a special tool, and the labor of the practitioner and the burden on the patient are reduced. The intermaxillary fixation releasing device comprises a maxillary joint composed of a first synthetic resin a mandibular joint composed of a second synthetic resin and a connector composed of an elastomer, wherein the maxillary joint is provided with an upper-side interlocking part and an upper-side support part the mandibular joint is provided with a lower-side interlocking part and a lower-side support part the elastomer forming the connector is incompatible or substantially incompatible with the first synthetic resin and the second synthetic resin and the maxillary joint and the mandibular joint are joined with the connector in a state in which the upper-side support part and the lower-side support part are embedded in the connector.
