Electronic archive management method and system based on block chain, terminal equipment and medium

The invention provides an electronic archive management method and system based on a block chain, terminal equipment and a computer readable storage medium, the method comprises the following steps: receiving an update request of a first user for a certain electronic archive, the update request carrying biological identification information of the first user and updated electronic archive information; verifying whether the first user has the authority of updating the requested electronic archive based on the biological identification information of the first user and the current archive information of the requested electronic archive; if the requested electronic archive has the authority to update the requested electronic archive, performing Hash calculation on the biological recognition information of the first user and the updated electronic archive information to obtain a first archive abstract; and respectively uploading the updated electronic archive information and the first archive abstract to a block