the present invention is a built-in battery for the power supply to the inside and the battery and the circuit grip casing and the outer housing of a cylindrical shape is formed integrally with a front end of the gripping casing, which is connected to the operating switch is installed having been the first UV sterilization unit which outer circumferential surface is before or after a predetermined interval into a plurality of first ultraviolet light LED has the plurality of itdoe is to be installed exposed first UV LED is connected to the operation switch circuit oN / OFF control of the external housing, the first ultraviolet sterilization unit to be in the stored state in the outer housing inside a predetermined length projected in the opening of the front outer side of the outer housing is provided with an inner housing of the installed cylindrical outer peripheral surface of the inner housing after a predetermined interval into a plurality of second ultraviolet LED the itdoe is to be installed exposure is above a second of the plurality of UV LED is connected to the operation switch circuit itdoe is configured in a second UV disinfection that oN / OFF control, wherein the outer housing has a first in suspension end protruding from the front end of the inner peripheral surface the connection terminals are installed and the inner housing when the second connection terminal a as it is installed within the housing protrudes forwardly outwardly of the outer housing a first connection terminal and second connection terminal is in contact with the engaging shoulder protruding from the rear end of the outer peripheral surface of claim 2 UV LED is directed to a portable two-stage UV sterilizer characterized in that the circuit is connected to turn on.본 발명은 내부에 전원공급을 위한 건전지가 내장되고 건전지와 회로연결된 작동스위치가 설치되어 있는 파지케이싱과, 상기 파지케이싱의 전방끝단에 일체로 형성된 원통형의 외부하우징이 구비되고 상기 외부하우징의 외주면에는 전후 일정간격으로 복수개의 제1자외선LED가 노출되게 설치되어 있되 상기 복수개의 제1자외선LED는 작동스위치와 회로연결되어 ON/OFF 제어되는 제1자외선살균부와, 상기 제1자외선살균부의
