A multi-knife vertical cutter is used to vertically cut the flagged adhesive fiber curtain or film.The equipment adopts new structural design to make the whole machine compact, reliable and efficient; convenient disassembly and assembly, easy to adjust; the pressure and longitudinal cutting speed can be adjusted at will; the opening and winding tension can be adjusted according to the characteristics of the material, the automatic separation and collection of waste tape and the reliability of equipment operation.The equipment is mainly composed of opening device, automatic correction device, cutting device, winding device and other institutions.