Moisture-proof power distribution cabinet

The invention discloses a moisture-proof power distribution cabinet, and relates to the technical field of power supply devices. The moistureproof power distribution cabinet comprises a cabinet body, a cabinet door, a first moistureproof plate, a moistureproof box and an air inlet member. The top ends of the two first moisture-proof plates abut against the top plate, the bottom ends of the two first moisture-proof plates abut against the bottom plate, the side ends, close to the back plate, of the two first moisture-proof plates abut against the back plate, and the side ends, away from the back plate, of the two first moisture-proof plates and the cabinet door are arranged at intervals; the multiple damp-proof boxes are arranged on the cabinet door and located between the cabinet door and the two first damp-proof plates respectively; and the moisture-proof box can absorb moisture in the air. Air at the air inlet needs to enter the space between the two first damp-proof plates from the space between the first