This utility model discloses a flip-top cutter for hanging plastic wrap, comprising a lower box body and an upper box cover. The upper box cover is connected to the upper end of the lower box body via snap-fit fasteners at the bottom. The inner wall of the upper box cover has symmetrically distributed U-shaped slots evenly distributed along the length of the lower box body. Support frames are snap-fitted to the slots. A slide rail is attached to one side of the upper opening of the upper box cover, and a sliding blade is slidably connected to the slide rail. Suction cup holes are integrally formed at the four corners of the bottom of the lower box body, and tabletop suction cups are snap-fitted to the suction cup holes. Snap-fit fasteners are symmetrically distributed on the outer wall of the lower box body away from the opening of the upper box cover, and suction cup holders are snap-fitted to the snap-fit fasteners. This utility model belongs to the technical field of plastic wrap cutters, specifically a flip-top cutter for hanging plastic wrap.