The invention discloses a fast installing type overhaul door, which comprises a box body, a door plate, a hanging frame, a pressing lock and a lock buckle, wherein a hanging frame seat is arranged on the box body, one end of the hanging frame is rotatably installed with the hanging frame seat, the other end of the hanging frame is connected with the door plate, the lock buckle is arranged on the box body, the pressing lock is arranged on the door plate, the lock buckle is matched and installed with the pressing lock, the front end of the lock buckle is provided with a barb structure, the pressing lock consists of a lock ring, an installing seat, a connecting shaft and a press rod, the installing seat is fixedly arranged on the door plate, one end of the press rod is rotatably arranged on the installing seat, the connecting shaft passes through the press rod, the two ends of the lock ring are fixedly installed with the two ends of the connecting shaft, the barb structure is matched and installed with the lock ring, and a movable pull ring is arranged on the door plate. The fast installing type overhaul door has the advantages that the door plate can be arranged on the box body after the matched installation of the pressing lock and the lock buckle, so that the opening and the closing of the door plate is very convenient and fast, meanwhile, the door plate and the box body are connected through the hanging frame, the door plate does not need to be rotated for 90 degrees after the door plate is opened, the ground occupation area is reduced, and the production efficiency is improved.