Medical image processing has become one of the most significant fields in the area of research. Different medical imaging modalities like CT, MRI, Ultrasound, and so on. Deep learning techniques have been turned out one of the successful and most promising techniques used for medical image processing. This paper reviews the medical imaging techniques and performances based on deep learning methods. The deep learning classifier is the best in finding classification problems in medical image processing. Various deep learning classifiers are reviewed and compared with their accomplished results in terms of accuracy.