The present invention relates to a sterilizing device for a golf bag, which can sterilize bacteria on a gripping part of a golf club. The characteristic structure of the sterilizing device comprises: a lower housing which is a cylindrical box shape with an installation space therein, has a plurality of fixed protrusions and a battery fixing part protruding in the installation space, and is fixed to an inner lower end of a golf bag with a bolt by having a plurality of fixing parts with fastening holes at intervals along an inner wall thereof； a battery which is installed in the installation space by using the battery fixing part； a metal-based PCB substrate which if formed in a disk shape covering an upper side of the battery, has a plurality of LED lamps with a sterilizing function, and a plurality of penetration holes having the fastening protrusions fastened thereto on the upper side, and is installed on the inner side of the lower housing； a disk-shaped shockproof plate which is installed on the inner side of the lower housing to cover the upper side of the PCB substrate； a silicone pad which is tightly installed on an upper part of the shockproof plate； an upper housing which is formed in a box shape surrounding the lower housing, and has a plurality of connection holes corresponding to the fastening holes on a upper side edge thereof in order to be coupled with the upper part of the lower housing while pressurizing the upper surfaces of the PCB substrate, the shockproof plate, and the silicone pad； and a remote controller which is in electric connection with the battery and is installed on one side of an open upper part of the golf bag.본 발명은, 골프채의 그립 부위 세균을 멸균할 수 있는 골프백용 살균장치에 관한 것으로, 그 특징적인 구성은 내측에 설치공간이 형성된 원통형의 박스 형상으로, 상기 설치공간에는 복수개의 고정돌기와 배터리고정파트가 돌출 구비되고, 체결공을 갖는 복수개의 고정부가 내측 벽면을 따라 간격을 두고 위치되어 골프백의 내측 하단에 볼트를 통하여 고정 설치되는 하부하우징； 상기 배터리고정파트를 이용하여 설치공간에 설치되는 배터리； 상기 배터리의 상면을 덮는 원판 형상으로, 상면에는 살균 기능을 갖는 복수개의 LED램프와, 상기 고정돌기가 체결되는 복수개의 관통공이 형성되어 상기 하부하우징의 내측에
