Power distribution cabinet with monitoring function

The utility model discloses a power distribution cabinet with a monitoring function, which comprises a cabinet body, a mounting groove is arranged inside the cabinet body, a heat dissipation groove is arranged below the cabinet body close to the mounting groove, the mounting groove is isolated from the heat dissipation groove through a partition plate, and air inlets are arranged on inner walls of the cabinet body close to two sides of the mounting groove. According to the utility model, when the power distribution cabinet is used, the temperature in the cabinet body is monitored through the temperature sensor, when the temperature in the cabinet body reaches a set upper limit value, the heat dissipation motor is started through the controller, the heat dissipation motor drives the fan blades to rotate, and the fan blades drive air to flow, so that external cold air enters the mounting groove through the air inlet; the heat dissipation motor stops working when the temperature drops to a set standard value, in