The invention discloses a business data association analysis method and device, computer equipment and a storage medium. The method includes generating a candidate data set according to the business database and/or the data table, generating a first candidate item set according to the candidate data set, generating a first frequent item set according to the first candidate item set, generating a second candidate item set comprising at least two frequent items according to the first frequent item set, and generating a second frequent item set according to the second candidate item set, performing association rule calculation on the second frequent item set to obtain confidence among a plurality of frequent items in the second frequent item set, and obtaining a frequent item association ruleresult with the confidence meeting a preset confidence threshold. According to the business data association analysis method, the computer equipment and the storage medium provided by the invention,data association results with different support degrees and different confidence degrees can be obtained according to the historical business data, decision support can be provided for new sales business, and support for sales decision is more efficient and scientific.