Abstract: Embodiments of the present disclosure provide a method and system for warehousing operation. The system for warehousing operation includes: a prompting device, configured to receive real-time order information and prompt a worker or a picking device to pick an item according to the order information; a plurality of order carrying trolleys, configured to allocate the item picked by the worker or the picking device to an order box corresponding to the item, or carry the order box to transport the item picked by the worker or the picking device; and a receiving device, configured to receive correspondence information between each of the plurality of order carrying trolleys and the item on each of the plurality of order carrying trolleys. Each of the plurality of order carrying trolleys is provided with a communication device configured to receive an allocating strategy obtained according to the correspondence.