The utility model relates to a portable ultraviolet sterilization device.Including a shell;A switch,Provided on the outside of the shell;A circuit board,Provided inside the shell,And a control circuit is included.The control circuit is electrically connected to the switch;A light-emitting unit,Provided inside the shell,And comprises an ultraviolet light-emitting element and a visible light-emitting element.The ultraviolet light-emitting element and the visible light-emitting element are electrically connected with the control circuit;And a power supply unit,Provided inside the shell,A power supply for providing the light-emitting unit through the control circuit of the circuit substrate.一種可攜式紫外光殺菌裝置,包含一殼體;一切換開關,設置於該殼體外側;一電路基板,設置於該殼體內部,並包含一控制電路,其中該控制電路電性連接於該切換開關;一發光單元,設置於該殼體內部,並包含一紫外光發光元件及一可見光發光元件,其中該紫外光發光元件及該可見光發光元件電性連接該控制電路;以及一供電單元,設置於該殼體內部,用以經由該電路基板之該控制電路而提供該發光單元所需電源。