PROBLEM TO BE SOLVED: To provide a method for applying a sterilizing beam of a sterilizing lamp with a high sterilizing effect to a nursing zone of a bee hive.SOLUTION: A sterilizing beam is applied to a pathogenic organism in a whole bee hive 8 and in bodies of larvae in holes 17 of the bee hive using a sterilizing lamp 7 so as to effectively exterminate the pathogenic organism in the hole bee hive 8 and restore a diseased group to a healthy group.COPYRIGHT: (C)2016,JPO&INPIT【課題】殺菌効果が高い殺菌灯の殺菌線を巣房の育児圏に照射する方法を提供する。【解決手段】巣房8全体の病原体を効果的に駆除し罫病群を健康群に復帰させるべく、殺菌灯7を使って巣房8全体と巣穴17の中の幼虫の体内の病原体に殺菌線を照射する。【選択図】図1