Data processing method and system, electronic equipment and storage medium

The embodiment of the invention discloses a data processing method and system, electronic equipment and a storage medium, and the data processing method comprises the steps: obtaining a first data directory through a total node, transmitting the first data directory to a data supply node, generating a target data element through the data supply node, receiving the first data directory, and transmitting the target data element to a server; determining a classification and grading rule according to the first data directory, converting the target data element into target metadata according to the classification and grading rule, generating a second data directory according to the target metadata, sending the second data directory to a total node, updating the first data directory by the total node according to the second data directory, and generating a third data directory, and the subsequent operation nodes subscribe to the third data directory and access the target data according to the third data directory,