Enterprise-level digital file endorsement method

The invention relates to the field of enterprise-level digital file management, in particular to an enterprise-level digital file endorsement method, which comprises the following steps: acquiring a to-be-endorsed file and endorsement process data uploaded by an approval initiator at a credit granting node, and generating initial transaction data based on the endorsement process data; sequentially sending the to-be-signed files to corresponding signers for signing based on the signing process data, and generating intermediate transaction data based on the signing process of the signers; and after the last signer completes signing, generating final transaction data. The initial transaction data, the intermediate transaction data and the final transaction data are all sent to at least three endorsement nodes through a consensus mechanism by using a Fabric transaction process. The digital file endorsement method provided by the invention has the characteristics of credibility, traceability and non-replicability,