Extension management and control method and system for data file sharing

The invention discloses an extension management and control method and system for data file sharing, and the method comprises the steps: receiving component information of data file receiving equipment, and determining an access identifier of the data receiving equipment based on the component information of the data file receiving equipment; wherein the component information of the data file receiving equipment is sent by a data receiver; acquiring a data file access demand, and generating an access constraint condition based on the data file access demand; and obtaining a to-be-shared data file, associating the access identifier of the data receiving device, the access constraint condition and the to-be-shared data file, generating a data file package, and sending the data file package to a data receiver. According to the method, effective management and control of the shared file are realized, extended access management and control of sharing of the data file among different units and different subjects ar