Data mining and Knowledge Discovery Database (data mining or KDD for short) has emerged to be one of the most vivacious areas in information technology in the last decade. In this paper, the performance of the different association methods like Apriori and Tertius are compared. For comparative analysis, the people use the super market dataset. the authors consider the dataset with multiple itemsets and multiple customers. This paper is to increasing the sales and reduces the cost of itemset. In this paper association rule mining approach is developed to determine the minimum support and minimum count.