ABSTRACT: In the background of the information age, the importance of data resources can be imagined, and the importance of the use of data resources means—data mining has also emerged. In the current situation, all industries are in a relatively equal stage, should make good use of data resources, use Apriori algorithm to mine association rules, formulate marketing strategies, promote sales growth and slow down the loss of national GDP. Countries can also use data mining to make predictions and support decisions. Briefly describe the basic concepts of data mining and association rules. Only with a basic understanding of data