The utility model discloses a transformer substation's cabinet that charges, the intelligent cabinet temperature adjusting device comprises a cabinet body, the external backup pad that sets up of cabinet, internal baffle, power, control module, temperature humidity sensing module and the ventilation module of setting up of cabinet, set up the socket on the baffle, it is external that the jack of socket end stretches out the cabinet, temperature humidity sensing module control module with ventilation module electricity is in proper order connected, the external side of cabinet sets up the apron, the apron covers the jack of socket, the power does control module temperature humidity sensing module and ventilation module provide electric power. The utility model discloses in the external backup pad that sets up of cabinet, be convenient for place external battery charging outfit and effectively alleviate heat dissipation problem in the charging process, moreover through internal set up warm humidity sensing module and the internal heat dissipation problem of cabinet has been solved to the ventilation module at the cabinet.