The invention discloses an anti-rusting radiating erected type transformer. The anti-rusting radiating erected type transformer comprises a voltage transformation box and an anti-rusting cover; the two sides of the voltage transformation box are welded with fixing brackets; the bottom of the voltage transformation box is fixedly connected with a drainage tank by bolts; the lower parts of the fixing brackets are fixedly connected with grounding wires through bolts; a radiating grill is fixed to the centre of the voltage transformation box; the upper part of the voltage transformation box is fixedly connected with four wiring posts through bolts; the outer sides of the four wiring posts are movably connected with the anti-rusting cover through hinges; the outer side of the voltage transformation box is fixed with an outer shell; the left side of the interior of the outer shell is fixedly connected with a rheostat; the rheostat is electrically connected with a coil through a wire; the interior of the coil is movably connected with a magnetic core. The anti-rusting radiating erected type transformer has the advantages of reasonable structural design, safety, reliability, small size, good anti-rusting and radiating effects, high integration degree and the like, is easy to repair and maintain and quick to assemble and disassemble, and can be widely popularized and used.