Loft racking system builds an intermediate loft on the existing workplaces and shelves to increase storage space, build two or three-story lofts, should visit light foam and small and medium goods, suitable for multi-variety large-volume or multi-variety small-batch goods, manual access to goods . The goods are usually delivered to the second and third floors by forklifts, hydraulic elevators or freight elevators, and delivered to a certain location by light trucks or hydraulic pallet trucks. It is suitable for situations with high warehouses, small goods, manual visits, and large storage capacity.