Outdoor transformer box

The invention relates to an outdoor transformer box. The outdoor transformer box comprises a box body which comprises a back plate, two side plates, a top plate, a bottom plate and a front door, wherein the top plate is arranged forward, the front end of the top plate extends to the front and upper part of the front door and rain discharge grooves which extend towards the direction of the front door from the back plate are arranged in the top plate; cooling devices are symmetrically arranged on the two side plates; each cooling device comprises a cooling hole and a rain baffle hinged with the upper part of the cooling hole; and each rain baffle is provided with a rain adjusting device. The outdoor transformer box has the advantages that the rain conveniently slips off from the upper part of the front door by a forward top plate design method; the top plate extends out of the front part of the front door; when the rain comes, the front door with a poor sealing effect is protected to the maximum extent; and the