PROBLEM TO BE SOLVED: To provide a mother milk sterilizer capable of sterilizing mother milk easily and reliably and being sanitary.SOLUTION: A mother milk sterilizer comprises: an infant-feeding bottle 1 for reserving mother milk a metallic holder cylindrical body 2 having a cylindrical wall part 21 for inserting the infant-feeding bottle 1 a heating heater 5 and a heater temperature sensor S2 wound on the outer circumference of the cylindrical wall part 21 a mother milk temperature sensor S1 for measuring the mother milk temperature in the infant-feeding bottle 1 from the side of the bottom face 18 of the infant-feeding bottle 1 and a mother milk temperature control part 8 for controlling the heating heater 5 on the basis of a mother milk temperature measured value T1 measured by the mother milk temperature sensor S1.COPYRIGHT: (C)2015,JPO&INPIT【課題】母乳を容易かつ確実に殺菌可能で、しかも、衛生的な母乳殺菌装置を提供する。【解決手段】母乳を入れるための哺乳瓶1と、哺乳瓶1が挿入される円筒壁部21を有する金属製のホルダ筒体2と、円筒壁部21の外周に巻設される加熱ヒータ5及びヒータ温度センサS2と、哺乳瓶1の底面18側から哺乳瓶1内の母乳温度を測定するための母乳温度センサS1と、母乳温度センサS1で測定した母乳温度測定値T1に基づいて加熱ヒータ5を制御する母乳温度制御部8と、を備えた。【選択図】図2