The present invention relates to a manual beam irradiator for treatment in order to be used for the treatment of skin disease such as atopic dermatitis. The manual beam irradiator for treatment of the present invention enables comprises: a lower body which is combined with a post fixated to be erected in the upper side； an upper body which is connected with the upper end of the post, has an open front part, and has a chamber having an empty space inside； a working chamber which has a grill mesh in a net shape formed in the foreside and has a structure of emitting light through the grill mesh； a support bracket which is arranged inside the chamber in the rear side of the working chamber； a pair of shafts, for feeding in the left and right sides, which penetrate the upper end of the support bracket, are positioned inside the working chamber at one end, and protrude to the outside of the support bracket at the other end； the electrode rod contact body which is combined with an end of each shaft for feeding and has an uneven groove formed on the outer circumference surface； gears which are combined with the other end of each shaft for feeding and are able to be interlocked and rotate simultaneously； a manual driving part which includes a driving gear for providing rotatory power to the gears by being connected with a handle and being interlocked with any one of the gears； a supporting bar which is positioned in the working chamber at one end and is fixated by being inserted into the support bracket at the other end； and at least one supporting roller which is combined with the upper side of an end of the supporting bar and is able to rotate by having a concave groove formed to mount the electrode rod, wherein an arc discharge is generated between two electrode rods facing each other by inserting each of the electrode rods between an electrode rod contact body and a supporting roller.본 발명은 아토피 등의 피부질환 치료에 사용하게 되는 수동식 치료용 광선조사기에 관한 것으로, 상면에 직립되게 고정되는 포스트가 결합되는 하부 몸체； 상기 포
