The invention discloses a bar code recognition processing method for a material contract business document, and the bar code recognition processing method uses a bar code recognition device. The bar code recognition processing method comprises following steps: an initialization process, an order number information recognition collection and transmission step; an order number information reception, verification and comparison process, and an order number information confirmation and server sealing and storage process. The bar code recognition processing method can realize batch identification of material contract business documents and can correspond to the document to an SAP order.