The invention relates to a transformer cabinet for power marketing, which comprises a cabinet body. The transformer cabinet for the power marketing is characterized in that partition board supporting bulges are arranged on the inner sides of the left side wall and the right side wall of the cabinet body; partition boards are arranged in the cabinet body and are arranged on the partition board supporting bulges; line holes are formed in the partition boards; cable fasteners, a frequency converter, a distribution box and a storage battery are sequentially mounted at the tops of the partition boards from top to bottom; a temperature sensor and a humidity sensor are arranged in the cabinet body and are connected with a microcontroller, and the microcontroller is connected with a first electromagnetic relay and a second electromagnetic relay; a cooling fan and a dryer are arranged at the bottom of the cabinet body, the cooling fan is connected with the storage battery through the first electromagnetic relay, and the dryer is connected with the storage battery through the second electromagnetic relay; and a rubber layer is arranged on the outer side wall of the cabinet body.