The special non-stop net changer for wire drawing and hollow plate lattice plate is selected as multi-station hydraulic net changer. It has auxiliary runner and preheating exhaust device, positioning and guiding mechanism, adopts multi-station circulating filtering technology and pre-intervention of net changing system, and is driven by hydraulic pressure. It keeps steady pressure and flow during net changing, without shutting down, breaking film, continuous wire, no leakage of glue and affectin