PROBLEM TO BE SOLVED: To provide an indoor sterilization device and an indoor sterilization system, which are capable of sterilizing bacteria and viruses filled and floating indoors and also capable of decreasing influences to human bodies.SOLUTION: The indoor sterilization device includes: a housing that can be attached to a wall of a room； a light source that is stored inside the housing and applies an ultraviolet ray； a restriction member that is provided in front of the light source for restricting an irradiation range of the ultraviolet rays to be applied； and a fan attached ti a part of the housing, in which the restriction member forms a plurality of slits, and the housing is set at a place that is in an upper side of the room and higher than standing height of human bodies.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】本発明の室内殺菌装置は、部屋の壁に取り付け可能な筐体と、 筐体内部に格納されて紫外線を照射する光源と、 光源の正面に設けられ、照射される紫外線の照射範囲を絞る絞り部材と、 筐体の一部に取り付けられるファンと、を備え、 絞り部材は、複数のスリットを形成し、 筐体は、部屋の上方であって、人の身長より高い場所に設置される。【選択図】図３
