Abstract— Data mining is the procedure of eliminating positive data, figures & styles, after a large amount of data technologies, clustering & suggestion, and regression. Real life has a variety of applications. Various devices that support different algorithms are available. The DMT (Data Mining Technique) is further developed in the research sector.The relevance of this huge collection of data is highly subjective as according to the individual business interests. Data Mining is a relatively new term in the field of informatics. Data mining is data for filtering relevant data based on a wide range of data, using a variety of techniques and algorithms, such as associations, clustering, and classics. In this paper, there techniques are explained in detailed to provide the better understanding of the data mining techniques.Keywords—Data Mining, Knowledge discovery data, Classification, Clustering, Association rule.