PROBLEM TO BE SOLVED: To provide a method for operating a cancer treatment apparatus for treating a cancer by the irradiation of a micro electromagnetic wave capable of further improving a treatment effect and achieving a sufficient treatment effect even for liquid cancer, which can be operated automatically.SOLUTION: The invention is a method for operating a cancer treatment apparatus provided with: a micro electromagnetic wave generating part having at least a pair of mutually opposing magnetrons 60, cylindrical housings 10 having the magnetrons 60 inside, and temperature measuring means capable of acquiring temperature data for a skin surface of a treatment object a support base 20 on which the treatment object can be placed first driving means capable of moving the support base 20 in the lateral direction of the support base 20 and second driving means capable of moving the micro electromagnetic wave generating part substantially in parallel along the longitudinal direction of the support base 20.COPYRIGHT: (C)2014,JPO&INPIT【課題】治療効果がより向上し、かつ液性癌に対しても充分な治療効果が得られ、自動運転することが可能な、マイクロ電磁波を照射することにより癌を治療するための癌治療装置の作動方法を提供する。【解決手段】少なくとも一対の相対向するマグネトロン60、マグネトロン60をその内部に有する筒状の筐体10及び治療対象の皮膚表面の温度データを取得可能な温度測定手段を有するマイクロ電磁波発生部と、治療対象を載置可能な支持台20と、支持台20を支持台20の短手方向に移動させることのできる、第1の駆動手段と、マイクロ電磁波発生部を支持台20の長手方向に沿って略平行に移動させることのできる、第2の駆動手段と、を備える癌治療装置の作動方法。【選択図】図2