Due to the vast improvement in IT sectors ,the popularity health care organization conserve there data elctoncally. The mining of this well-informed data, in series from the mass data which will be very useful for huge progress in medical field but it is insufficient. There is need of proficient analysis tools to resolve covered exact data. Data mining can represent new biomedical and healthcare details for medical preference. The relationship comes together from the data of patients composed in database aid in the resultant progression. This assessment investigates the worth of a variety of Data Mining techniques such as classification, regression, and clustering and association health domain. Now a days this documentation of presents a brief introduction of the techniques that are currently used in medical field followed by various qualities and demerit of the existing techniques. This investigation also focusing on applications, challenges and future issues of Data Mining in healthcare. At the end , this work provides the recommendations for exact selection of available Data Mining techniques.