In Medical science the Data mining strategies assumes a significant job for clinical forecast. Presently a-days the information accessible in the field of restorative sciences is effectively open. Because of enormous measure of information present right now forecast of sicknesses and the human services got troublesome. By utilizing the methods of Data mining a considerable lot of the frameworks are created and the investigation of ailment gets simpler. The information mining is utilized to get the correct decision for the treatment of the patients. The datasets are gathered structure the therapeutic information base to remove the examples covered up. The systems, for example, grouping and order are utilized in therapeutic analysis. The old information are gathered from the information base and after effect of future can be anticipated.