The utility model relates to a novel energy-saving switch cabinet. The cabinet comprises a cabinet body and a cabinet door, rotating shafts are arranged in front of the left side and the right side ofthe cabinet body; an upper baffle and a lower baffle are respectively arranged at the upper part and the lower part of the cabinet body; wherein the upper baffle plate and the lower baffle plate arerespectively provided with a mounting seat, each mounting seat comprises a mounting plate extending towards the side part of the cabinet body, the rotating shaft is rotatably arranged between the upper and lower mounting plates which are oppositely arranged, the two ends of the rotating shaft are provided with connecting plates extending to the upper part or the lower part of the top surface of the cabinet door, and the connecting plates are detachably connected with the cabinet door through connecting pieces. According to the utility model, the door opening direction of the cabinet door can be selected, thereby preventing the cabinet door from shielding a nearby switch cabinet when the cabinet door is laterally opened, and providing convenience for technicians to observe the operation state of the switch cabinet; the cabinet door can rotate by 270 degrees towards the side face, the cabinet door is positioned through the door stopper, the situation that the opening angle of the cabinetdoor is small, too much passing space needs to be occupied is avoided, and the situation that normal work of technicians is affected due to back-and-forth flapping of the cabinet door is also avoided.