Cross-organization structure data updating method and updating system

The invention is suitable for the field of computers, and provides a cross-organization-structure data updating method and system, and the method comprises the steps: obtaining updating information of to-be-updated data, and determining an associated node of the to-be-updated data according to the updating information; dividing the associated nodes according to data association degrees to generate a plurality of node groups; determining a central node of each node group in a plurality of node groups, and extracting an authorization identifier of the update information; generating a data updating instruction according to a central node and the authorization identifier, wherein the authorization identifier is used for representing a corresponding relationship between an updating item of to-be-updated data and a corresponding updating permission; the data updating instruction is issued to the center node to obtain integrated updating data returned by the center node, and according to the technical scheme of the