Procurement directory commodity management method and system for supplier information change

The invention relates to a purchase directory commodity management method and system based on supplier information change, and the method comprises the steps: a supplier completes the customized modification of commodity attributes, and then identifies whether a commodity is in a purchase directory of a management system to which the commodity belongs; the purchase management end receives the change notice, confirms the commodity attribute change condition, generates a notification message after confirmation, and sends an approval flow based on the notification message to designated personnel of a management system where the purchase directory is located for approval; if any link in the confirmation process is blocked, the commodities in the purchase directory of the management system are automatically named, and each enterprise in the commodity related system cannot purchase the commodity; after the approval is passed, if the current commodity exists in each related management system, the commodity data is a