This glue applicator is of diagonal arrangement structure, making up by a pair of applicator rolls arranging by declining 30 degree in horizontal direction. Sheet of paper licked up from drying cylinder group enters glue applicating channel made up by two applicator rolls to conduct after sizing, then entering next group of drying cylinders for drying. One of the two rolls is chromeplating roll, another is rubber roll. Chromeplating roll is fixed. Rubber roll is pneumatic. Hyperbolic pneumatic tyre apparatus single point transmission and double point transmission are adopted(This glue applicator does not include transmission apparatus).