The Cold Storage Room Door Hinge is a device that allows the door to rotate open and close naturally and smoothly. The Cold Storage Room Door Hinge of: a hinge seat and a hinge body, one end of the hinge body is connected to the door frame through a mandrel, and the other end is connected to the door; the hinge body is divided into two sections, one section is connected to the mandrel, and the other section is connected to the door fan, and the two sections of the hinge body are connected to form an integrated whole through the connecting plate, and there is a hole for adjusting the gap between the door and the joints on the connecting plate. Since the hinge body is divided into two sections and connected as a whole by the connection plate, the door can be removed for repair by removing the connection plate. The door gap adjustment holes in the connecting plate include: a long hole for adjusting the gap between the upper and lower door gaps and a long hole for adjusting the gap between the left and right door gaps. The hinge can be adjusted not only up and down, but also left and right.