A limiting plate control mechanism and a scooter luggage being capable to use this limiting device mechanism are provided. This limiting control device includes the first shell, second shell, sliding pressing block, first slider, second slider, first elastic element and the second elastic element. The first shell and second shell consists of the cavity shell. The sliding pressing block, first slider, second slider, first elastic element and second elastic element are all located in the cavity shell. This limiting plate control device has a simple structure and friendly operation, which brings convenience to the user. This scooter luggage has a simple structure, and is easy to operate and fold. A kind of button shell and a scooter luggage being capable to apply this button shell are provided. This button shell includes a spilt frame which is provided with the first baffle and second baffle. The first baffle is provided with a limiting bump, and the second baffle is provided with a limiting groove. There is a clearance between the first baffle and second baffle. The split frame includes the first split frame and the second split frame. The first split frame has the same structure with the second split frame. The limiting protrusion of the first split frame is embedded into the limiting slot of the second split frame, forming the first supporting plate. The limiting protrusion of the second split frame is embedded into the limiting slot of the first split frame, forming the second supporting plate. The button shell comprises the spatial accommodation constituted by the clearance between the first supporting plate and second supporting plate, which is provided with button limiting slot. This button shell has simple structure, and is easy to assemble and operate, which brings convenience to the user.