To provide an indoor sterilization device and an indoor sterilization system that sterilize bacteria and virus spreading and floating indoors, and can reduce the effect on human health.SOLUTION: An indoor sterilization device 1 has a cabinet 2, an attachment part for attaching the cabinet 2 to an indoor wall surface, which is higher than the body height of a person, a light source 3 that is provided to the cabinet 2 and emits ultraviolet rays, and a fan 11 that sends air.SELECTED DRAWING: Figure 3【課題】室内に充満して浮遊する細菌やウイルスを殺菌すると共に、人体への影響も低下できる室内殺菌装置および室内殺菌システムを提供する。【解決手段】室内殺菌装置１は、筐体２と、室内の壁面であって、人の身長より高い場所の壁面に筐体２を取り付けるための取付部と、筐体２に設けられ、紫外線を照射する光源３と、空気を送るファン１１とを備える。【選択図】図３
