The present application discloses an order processing system, an order processing method and device, a goods picking batch generation method and device, and an electronic device. The system comprises : an order processing device and a goods picking batch generation device. The order processing device is used to : generate, according to goods ordering information entered by a user, a corresponding order; determine whether an auxiliary inventory quantity of a goods object associated with the order meets an order quantity requirement; and if so, launch an auxiliary order processing unit. The auxiliary order processing unit is used to make an auxiliary inventory reservation for the goods associated with the order and mark an inventory reservation type of the order as an auxiliary type. The goods picking batch generation device is used to obtain at least one pending order, and assign, according to the inventory reservation type thereof, the at least one order to a goods picking batch matching an attribute thereof. The order processing system provided by the present application can effectively improve goods picking and delivery efficiency of stores.