The invention discloses a glue film cutting machine. The invention has the technical scheme that the glue film cutting machine comprises a rack, wherein an unwinding mechanism, a cutting mechanism anda waste winding mechanism are arranged on the rack; the unwinding mechanism comprises an unwinding plate; the cutting mechanism comprises a material strap conveying line, a first cutting assembly anda second cutting assembly; the first cutting assembly comprises a first air cylinder, an upper cutter and a lower cutter; the lower cutter is connected with the first air cylinder; the upper cutter and the lower cutter are arranged on an outlet of the material strap conveying line; the second cutting assembly comprises a second air cylinder and a scraper connected with the second air cylinder; and the waste winding mechanism comprises a winding plate arranged on one side of the unwinding plate. According to the scheme provided by the invention, a material strap can be cut through the first cutting assembly and the second cutting assembly at the same time so as to be treated efficiently, so that the labor cost is saved, and the cutting accuracy is improved.