The invention discloses a group enterprise three-party service auditing process management method and system. The method comprises the following steps: filling in a'three-party 'proposal auditing form, and reporting the form to a group, the'three-party' proposal auditing form comprising proposal submitter information, proposal submission unit information, proposal related attributes, and proposaltext attachments; the method comprises the steps that a three-party proposal auditing form is established, the three-party proposal auditing form is associated with a three-party service auditing process, the three-party service auditing process is started, the service auditing process comprises a plurality of process links, and each process link is bound with a processor and a corresponding processing permission. According to the method, file auditing of all links of a cross-level unit is completed in one process, the process links can be randomly expanded, and link processors are flexibly configured, so that the file auditing efficiency is improved.