A body temperature maintaining apparatus is used on occasion of emergent transportation, utilizing an air conditioner of an emergent transportation vehicle or the like. The body temperature maintaining apparatus includes a heat receiving part for receiving heat of an air blown from an air conditioner mounted on a mobile body for carrying a patient, a heat applying part attached to a living body part of the patient thereby to apply the heat, a tube body which interconnects the heat receiving part and the heat applying part for feeding a heat medium from the heat receiving part to the heat applying part, and a forcibly moving unit provided in at least one of the heat receiving part, the heat applying part, and the tube body, and adapted to forcibly move the heat medium from the heat receiving part to the heat applying part.
