Black product identification method and device, electronic equipment and storage medium

The invention relates to a black product identification method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the access information of a user foraccessing a business system; extracting a first dimension identifier from the access information according to a preset core dimension; querying a second dimension identifier associated with the firstdimension identifier in a cache according to a preset multi-hop batch query rule; constructing an association relationship tree based on an association relationship between the first dimension identifier and the second dimension identifier, wherein the association relationship tree comprises a plurality of nodes; and if any node in the association relationship tree is located in a preset blacklist, determining that the user is a black product user. According to the embodiment of the invention, the association relationship can be automatically searched in the cache, the association relationship tree can be used for con