Support and corresponding display all-in-one machine

The invention provides a support and a corresponding display all-in-one machine. The support comprises a support assembly, a limiting assembly and a placing assembly, the limiting assembly is connected between the support assembly and the placing assembly, and the placing assembly is used for placing the display body. The support assembly comprises a mounting plate, a fixed shaft is fixedly connected to one side wall of the mounting plate, a movable shaft is slidably and rotatably connected to the end, away from the mounting plate, of the fixed shaft, and the end, away from the fixed shaft, of the movable shaft is connected with the placement assembly. The mounting plate is parallel to a vertical plane to be mounted and connected with a wall surface, or the mounting plate is parallel to a horizontal plane to assist the placement assembly to stand on a horizontal mounting surface, and the limiting assembly is used for limiting the sliding and rotation of the movable shaft relative to the fixed shaft. According