The invention discloses a heat radiation type electric power cabinet comprising a cabinet body, a cabinet door and a cabinet cover. The internal part of the cabinet body is provided with an alcohol box. The top end of the alcohol box is provided with an air outlet port. One side of the cabinet body is provided with exhaust fans and an alarm bell. The exhaust fans are embedded in the cabinet body. The other side of the cabinet body is provided with ventilation windows. The internal part of the cabinet door is provided with a glass window. The bottom part of the cabinet body is provided with alarm lamps. The exhaust fans are arranged at one side of the cabinet body so that hot air in the cabinet body can be continuously drawn out, great air circulation can be realized through cooperation of the ventilation windows, cold air is continuously supplemented into the cabinet body and the great heat radiation effect can be achieved. Besides, the alcohol in the cabinet body has great heat absorption effect. When the internal heat of the cabinet body reaches the upper limit, work personnel can be timely notified through the arranged alarm bell and the alarm lamps.