Enterprise patent information classification rule generation method and system and medium

The invention discloses an enterprise patent information classification rule generation method and system and a medium, and the method comprises the steps: obtaining enterprise patent information and industrial link information of a plurality of enterprises, carrying out the IPC classification number quantity scaling processing of the enterprise patent information belonging to the same industrial link information, and obtaining the scaled patent information; performing frequency threshold screening processing of each level on the scaled patent information corresponding to each enterprise under each piece of industrial link information to obtain a reserved patent information data set; performing IPC classification number splitting processing and frequent item extraction processing on the reserved patent information data set corresponding to each enterprise under each piece of industrial link information to obtain split patent data and a frequent item set; and generating an enterprise patent information classif