Fecha de publicación: 05/04/2024 Fuente: Wipo "BigData" The invention discloses a supply chain customer extension method and device based on big data and a storage medium, and the method comprises the steps: obtaining the associated information of a to-be-queried enterprise through querying an enterprise relationship library based on the name of the to-be-queried enterprise; according to the associated information, judging whether the to-be-queried enterprise meets a preset export condition or not, and obtaining an associated enterprise list; marking and classifying the enterprises in the associated enterprise list according to a preset classification mode, and storing the enterprises in an enterprise information base; wherein the mark classification comprises bid winning parties and bid inviting parties; on the basis of an enterprise information base, bid invitation data corresponding to an enterprise is collected, and enterprise bid invitation data is obtained; performing data processing on the enterprise bid invitation data to obtain supply chain data; querying a unique identification field of the enterprise based on the supply chain data to obtain cooperation information of the enterprise; through the method, the technical problem that a supply chain system lacks integration, deep analysis and management precision of upstream and downstream data and cannot perform accurate customer extension is solved.