PROBLEM TO BE SOLVED: To provide a disinfection device that can disinfect a beverage container or the like in a short time.SOLUTION: A disinfection device 1 includes a disinfection medium guide part 61 that includes: a beverage container support part 62 that is constituted to support a beverage container 110 comprising a heating part 31, a medium storage part 32 storing a medium serving as a disinfection medium by heating the heating part 31, a discharge port 33a discharging the disinfection medium from the medium storage part 32, an opening part 111 introducing a beverage, and beverage storage part 114 comprising a bottom part 112 and a side part 113 capable of storing the beverage introduced through the opening part 111 and a guide surface 61a that is disposed inside the beverage container 110 and guides the disinfection medium, discharged from the discharge port 33a, to the bottom part 112 of the beverage container 110.COPYRIGHT: (C)2015,JPO&INPIT【課題】飲料容器等を短時間で消毒することができる消毒装置を提供すること。【解決手段】加熱部31と、加熱部の加熱により消毒用媒体となる媒体を収容する媒体収容部32と、消毒用媒体を媒体収容部から排出する排出口33aと、飲料を導入する開口部110と、この開口部から導入された飲料を収容可能な底部112及び側部113から成る飲料収容部114と、を備える飲料容器110を支持する構成となっている飲料容器支持部62と、飲料容器の内側に配置され、排出口から排出された消毒用媒体を飲料容器の底部に案内する案内面61aと、を有する消毒用媒体案内部61と、を有する消毒装置1。【選択図】図1