Business data flow direction control method and device

The invention discloses a business data flow direction control method. The method includes the steps that the final flowing position of first business data of a first provincial branch in network architecture is determined, the network architecture comprises the nodes of all provincial branches in each area, the node of at least one disaster recovery center and a head office node, and the final flowing position is the first disaster recovery center node corresponding to the first provincial branch node or the head office node; a plurality of paths of the first business data from the first provincial branch node to the final flowing position are determined; a first path with minimum network bandwidth pressure is selected from the determined paths, and the first business data are controlled to flow to the final flowing position through the first path. The invention further discloses a business data flow direction control device.