The utility model provides a novel box -type transformer substation, the power distribution box comprises a box body, the top level of box is provided with the roof, ascending gas vent has all been offered to the left part and the right part of roof, the side of gas vent is equipped with radiator fan and the gas vent setting of radiator fan level towards the homonymy, the center of roof is equipped with the swivel base, be equipped with in the swivel base and rotate driving motor, the motor shaft that rotates driving motor is connected with the rotation bottom plate, the top of rotating the bottom plate is provided with the rain -proof cover of toper, the rain -proof cover of toper is including two weather shields, two weather shields respectively left down and the right side setting thathas a down dip, be equipped with maintenance lamp on the downside of rotation bottom plate, maintenance lamp is higher than radiator fan and sets up, and the inside of the rain -proof cover of toper is provided with thermal -insulated stopping, is equipped with solar cell panel on the weather shield, and solar cell panel is connected with solar battery, in a word the utility model has the advantages of simple structure, live time are grown, the radiating effect is good and easy maintenance.