The invention discloses a cutter roller die lubricating device, comprising an oil receiving trough, a slide rail, rocking adjusting blocks, transverse adjusting blocks and a lubricating roller; the slide rail is fixed on an external die set; the transverse adjusting blocks are slidably mounted on the slide rail, the rocking adjusting blocks sleeve the transverse adjusting blocks, and each rocking adjusting block is provided with a clamp handle; the lubricating roller includes a mandrel, and the lubricating roller sleeves the rocking adjusting blocks through the mandrel; the oil receiving trough sleeves the mandrel and is in clearance fit with the mandrel; in free state, the rocking adjusting blocks are in clearance fit with the transverse adjusting blocks and the mandrel. Compared with the prior art, the cutter roller die lubricating device has the advantages of simple structure, ingenious design and the like.