The invention discloses an air-riding safety draw-bar box with internal separation and protection. The draw-bar box comprises a box body, a zipper, rollers, magnets, a partition plate, a connecting rod, a
metal rod, a connecting plate, an opening, a protection plate, a mounting base, a pull rod, a circular groove, a rotating rod, a pull plate, a
handle, a clamping groove, a limiting plate, a fixing base, a long hole, a sliding block, a reset spring, a fixing plate, a box cover, a guide plate, a groove, an inserting groove, an adjusting plate, a notch, a clamping block, a guide plate, a shell, an inserting rod, a connecting spring, a connecting block, a movable wedge block, a movable plate, a top plate and a fixed wedge block. The draw-bar box is advantaged in that the separation function of the draw-bar box can be achieved, meanwhile, the partition plate has limiting and fixing effects, the safety protection function of the draw-bar box can be effectively improved by arranging the protection plate on the outer side, storage stability of articles is guaranteed by arranging the adjusting plates in the box cover, and the corresponding positions can be adjusted according to the sizes of the articles; practicability of the draw-bar box is improved, and the adjusting plate is convenient to disassemble and take down.