Intelligent customs clearance declaration method and system for mutual market trade of frontier

The invention discloses an intelligent customs clearance declaration method for mutual market trade of frontiers, belongs to the technical field of customs clearance declaration, and solves the technical problem that an existing management information system is low in efficiency, and the method comprises the steps: collecting basic data necessary for mutual market trade customs clearance declaration; carrying out qualification preliminary examination on the collected basic data; submitting the basic data passing the first qualification examination to a customs supervision system according to a data format specified by a customs authority; receiving a customs official filing number returned by the customs supervision system, activating the basic data according to the customs official filing number, and allowing the declarator to use the filed basic data to perform import and export business declaration; obtaining a declaration form filled by a declarator, performing business rule verification on the declaratio