Moisture-proof device of distribution box

The moisture-proof device comprises a box body, a heating box is arranged in the box body, a heating pipe is fixedly installed in the heating box, a rotating mechanism is arranged at one end of the heating box, the end, away from the rotating mechanism, of the heating box is rotatably connected to the inner wall of the box body, and a fixing rod is arranged at the bottom of the heating box. The two ends of the fixing rod are both fixedly connected to the inner wall of the box body, three grooves are formed in the fixing rod, three fans are arranged at the bottom end of the fixing rod, a filtering bin and an exhaust bin are arranged at the bottom of the fixing rod respectively, and the filtering bin and the exhaust bin penetrate through the two side walls of the box body respectively. The heating device has the advantages that the first gear can be driven to rotate by turning on the first motor installed on one side of the heating box, the first gear is connected with the second gear ina meshed mode, then the