The invention discloses a rapid ventilation and heat dissipation strong current power distribution cabinet. The cabinet comprises a base, a box, a first motor, a second motor and a steel rope, the boxbody is welded to the upper surface of the base, the first motor is installed on the upper surface in the box body, the output end of the first motor is connected with fan blades, a limiting plate isinstalled on the rear lower surface of a fixing plate, the second motor is installed on the rear middle surface of the fixing plate through bolts, and the output end of the second motor is connectedwith a steel rope. The power distribution cabinet is provided with a housing, the limiting plate, the second motor and the steel rope. In the using process, the second motor rotates forwards by a certain number of turns, so that the steel rope pulls the outer side of the housing to move, and after a period of time, the second motor rotates forwards by a certain number of turns to enable the limiting plate to move into the housing, the second motor rotates reversely to recover, and therefore, the limiting plate and the housing are matched to seal the box body.