Switch cabinet with micro-positive pressure moisture-proof function

The invention discloses a switch cabinet with a micro-positive pressure moisture-proof function. The switch cabinet comprises a switch cabinet body; a cabinet door is movably connected to the switch cabinet body; an electric appliance placement chamber is arranged in the switch cabinet body; and an automatic spraying assembly which prevents moisture diffusion and can prevent condensation from adhering to the cabinet door is arranged in the electric appliance placement chamber. According to the switch cabinet with the micro-positive pressure moisture-proof function, by means of the arranged automatic spraying assembly, when the switch cabinet is in a humid environment, a dehumidifying agent can be automatically sprayed to the cabinet door, the condensation is prevented from being attached to the cabinet door. When an existing switch cabinet is used, due to the fact that the temperature difference is large, generated condensation are attached to a cabinet door is avoided, long-term adhesion of the condensation