The invention discloses a variable storage box, and relates to the field of manufacturing of furniture. The variable storage box comprises a placement frame, wherein the placement frame comprises a frame front plate, a frame back plate, a frame side plate and a frame bottom plate, the placement frame is further internally provided with a telescopic wall plate, a placement block used for placing anarticle, and a guide block rail used for guiding the placement block to lift and slide, the telescopic wall plate comprises an article sliding plate used for guiding the article to the placement block, a vertical baffle plate, an inclined pressing plate and a frame connecting plate, the placement block comprises a placement surface, an extruding surface and an embedded rail part used for inserting the guide block rail, the fetching convenience of the placed article is improved, moreover, the storage space is telescopic and variable, and the requirements on the different placement spaces for the different placement articles are met.