The invention relates to the field of plastic woven mesh production equipment, in particular to a film slitting machine for woven meshes. The film slitting machine for the woven meshes can save spaceoccupied by the equipment and make the production process of the product more easily controllable. The film slitting machine for the woven meshes comprises a rack, a film holder, a knife rest and an oven, wherein the film holder, the knife rest and the oven are all arranged on the rack, and the film holder, the knife rest and the oven are arranged on the rack in sequence from bottom to top. The film slitting machine for the woven meshes has the advantages that device required for slitting is arranged vertically, thereby reducing the space occupied by the equipment, the equipment can also be more compact, the control over the product during production is facilitated, and since the equipment is compact, the production change and adjustment are simpler and more convenient.