The utility model discloses a distribution cabinet, including and splicing the electric cabinet frame of formation in proper order by first unsmooth board, middle unsmooth board and the unsmooth board of second, the every keep (shenglvehao)at a certain distance away of one end of middle unsmooth board is equipped with square opening, the other end that middle unsmooth board is relative be equipped with with the corresponding square bulge of square opening, electric cabinet frame's top and bottom are equipped with roof and bottom plate respectively, are equipped with the exhaust vent on the roof, and electric cabinet frame's front side is equipped with a sliding door, and electric cabinet frame's rear side is equipped with the fresh air inlet, electricity cabinet frame's intermediate position is equipped with intermediate bottom, be equipped with the recess of placing electric elements on intermediate bottom and the bottom plate. The utility model discloses a convenience is assembled to distribution cabinet simple structure, and the reference column that roof and bottom plate set up all around inserts in the top surface and the caulking groove on the bottom surface of first unsmooth board, middle unsmooth board and the unsmooth board of second correspondingly to put roof and bottom plate and electric cabinet frame together, make the sound construction of whole electric cabinet, improved distribution cabinet's wholeness greatly.