Abstract: A framework includes a support rail, at least one bracing element, and at least one shelf. The support rail is provided with a slide slot. The bracing element has a fastening portion and a retaining portion. The fastening portion is used to fasten the shelf. The retaining portion is formed of a slide block and a connection portion located between the slide block and the fastening portion. The slide block is slidably received in the slide slot of the support rail, whereas the connection portion juts out of the slide slot of the support rail.