The present invention is to provide a tack labeler capable of automatically adhering tack labels without using release papers to articles to be adhered. The present invention is provided with a roll holder 10 for rotatably holding a base material pair roll MPR, a reeling-out unit 20 for reeling out a label formation base material pair LMP from the base material pair roll MPR set in the roll holder 10, a base material pair accumulation unit 30 for accumulating the reeled label formation base material pair LMP, a delivering unit 40 for bringing out and delivering the label formation base material pair LMP from the base material pair accumulation unit 30, a separating-delivering unit 50 for separating the delivered label formation base material pair LMP into label formation base materials LM and delivering the label formation base materials LM, cut units 60 for cutting the separated and delivered label formation base materials LM by predetermined length so as to form individual tack labels, and adhering units 70 for adhering the tack labels cut off from the label formation base materials LM to containers C conveyed to adhering positions.