Big Data plays a crucial role in the transformation of medical management by providing new opportunities for analyzing large volumes of data, predicting diseases, and optimizing healthcare decision-making. This article examines the fundamental principles of using Big Data in medical management, the impact of analytics on decision-making, and the challenges associated with processing medical information. The study analyzes modern approaches to integrating Big Data into medical information systems and managing healthcare resources. The prospects of using artificial intelligence and machine learning in medical analytics, as well as issues related to data security and standardization, are discussed.