Bookshelf convenient for classified placement

The utility model belongs to the technical field of bookshelves, and discloses a bookshelf convenient for classified placement, which comprises a bookshelf body, limiting plates are fixedly mounted on two sides of the inner wall of the bookshelf body, and movable partition plates are movably sleeved on the outer surfaces of the limiting plates. By arranging the movable partition plate, the movable plate and the clamping block, when an operator rotates the bolt, fixing of the movable partition plate is relieved, then the pull block is pressed, the movable plate is driven to move, meanwhile, the clamping block is driven by the movable plate to move out of the interior of the clamping groove, and clamping of the movable partition plate is relieved; the distance between the movable partition plates is adjusted so that the movable partition plates can be moved to proper positions, then due to the elastic force effect of flexible springs, clamping blocks are driven by movable plates to be clamped into clamping groo