Enterprise relationship query method, system and equipment and medium

The invention discloses an enterprise relationship query method, system and device and a medium, and relates to the field of enterprise data processing. The method comprises the following steps: acquiring industry classification information of a to-be-queried enterprise; determining a plurality of enterprises in the same industry of the to-be-queried enterprise in a preset enterprise database according to the industry classification information; obtaining first cooperation relationship information of the to-be-queried enterprise; acquiring second cooperation relationship information of enterprises in the same industry; according to the first cooperation relationship information and the second cooperation relationship information, the cooperation relationship similarity between the to-be-queried enterprise and the enterprises in the same industry is determined; and taking the enterprises of the same industry, of which the cooperation relationship similarity with the to-be-queried enterprise is greater than a s