The warehouse-crossing method for the fresh and weighed commodities comprises the following steps that: step 1, a supplier packages the commodities into a plurality of packages according to a sales order and weighs the packages; Step 2, the supplier carries out delivery confirmation; Step 3, a purchase order is generated by the system according to the commodity received in the current delivery; Step 4, the arrival of goods is confirmed, the quantity is counted, and the package quantity of the received goods is recorded in the warehousing list; 5, sorting operation is carried out according to the number of the commodities subjected to sorting operation; And step 6, whether the actual sorting number of each commodity is equal to the number of the received commodities one by one is judged, for the commodities with the actual sorting packet number not equal to the number of the received commodities, the receiving number of the commodities is modified, and when the actual sorting number ofall the commodities is equal to the number of the received commodities, a purchase order is returned by the system according to the actual sorting number to serve as the actual receiving number. According to the warehouse-crossing method for the fresh weighing type commodities, the purchasing ordering time is shortened, the receiving time is shortened, the workloads of a receiver and a processor are greatly reduced, and the efficiency is greatly improved. The warehouse-crossing method of the fresh weighing type commodities can further guarantee the quality of the commodities, and is easy to popularize and use.