Cloud computing is among the most transformative innovations in modern medical data management due to its ability to securely store health information, share it quickly, and allow access from anywhere. Hospitals today rely on the cloud for managing electronic medical records, archiving imaging files, and supporting intelligent analytical systems. Cloud computing provides high flexibility, enabling healthcare institutions to scale resources up or down as needed without the high costs of traditional infrastructure. It also offers strong security through encryption and continuous monitoring, protecting patient data and preserving privacy. The cloud also accelerates diagnosis and treatment by giving physicians immediate access to patient data, imaging reports, and laboratory analyses, even when working remotely. It can also be integrated with artificial intelligence to analyze big data and predict diseases or future healthcare needs. Because of these capabilities, cloud computing has become a fundamental pillar in building smart, advanced medical systems that support innovation, enhance operational efficiency, and refine healthcare delivery methods.