Dehumidification device for distribution box and use method of dehumidification device

The invention relates to a dehumidification device for a distribution box and discloses a dehumidification device for a distribution box and a use method thereof.The dehumidification device comprises a box body, a condensation plate, a heating plate, a top cover, an auxiliary heat dissipation device, a heat dissipation mechanism and a water tank, two bases are arranged on the lower surface of the box body, the water tank is arranged between the bases, and the heat dissipation mechanism is arranged on the inner wall of the box body; a top cover is arranged on the upper surface of the box body, a mounting groove is formed in the upper surface of the top cover, and an auxiliary heat dissipation device is arranged in the mounting groove. According to the cooling device, the auxiliary heat dissipation device, the condensation plate, the heating plate, the flow guide plate, the flow guide pipe and the water tank are arranged, heat dissipation fins dissipate heat under flowing of outside air, the temperature of the