Supplier evaluation method and system based on big data

The invention discloses a supplier evaluation method and system based on big data. The method comprises the following steps: sorting and investigating historical data of an enterprise, analyzing success experience and failure training of a purchasing process, classifying and concluding main associated factors of success cases and key factors of failure cases, and counting and summarizing main evaluation indexes of suppliers; sorting and summarizing the mutual dependency relationship of various evaluation indexes of supplier evaluation from the main evaluation indexes subjected to statistics and summarization, and establishing a mathematical function relationship of the evaluation indexes; and deriving a supplier optimization evaluation model and/or a supplier optimization evaluation simplified model according to the established mathematical function relationship, and calculating a total score v of supplier evaluation. According to the supplier evaluation method and system based on the big data, excellent supp