PROBLEM TO BE SOLVED: To provide a sterilizer that can be used more simply and rapidly and consumes less energy.SOLUTION: A sterilizer comprises: a box body 10 that is composed of a material absorbing ultraviolet light having a wavelength of 250 to 310 nm and is configured to be openable and closable and one or more ultraviolet LED light sources 12 that is disposed in the box body and can irradiate with an ultraviolet light having a wavelength of 250 to 310 nm, and the ultraviolet LED light source is preferably configured not to irradiate with an ultraviolet light in a state where the box body is opened.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】より簡便に、そして迅速に使用することができ、消費エネルギーの小さい殺菌装置の提供。【解決手段】波長250~310nmの紫外線を吸収する材質からなる開閉可能に構成された箱体10と、箱体内に設置された波長250~310nmの紫外線を照射し得る1つまたは複数の紫外線LED光源12と、を備え、好ましくは、箱体が開いた状態では紫外線LED光源が紫外線を照射し得ないように構成されてなる、殺菌装置。【選択図】図1