Background: The most trending computer network system now-a-days is Cloud computing technology (CPT). Through large number of developments and possibilities information and communications technology is the frame work of components that has modernized healthcare sector. Cloud computing is a well-known example in the healthcare industry; it encourages hospitals and clinics to exchange and store electronic medical records. Applications: The majority of collaborators and stakeholders in the health care industry value the industry's methodology, which has the unique potential to deliver tremendous capacity and transformative power in the e-healthcare sector. Storage and exchange of medical records of patients fetches a favourable treatment for the patients in all aspects and also in emergencies, thus saving the life of a patient. By sharing the network resources in healthcare sector computer applications need to run on internet or cloud successfully. Depending on their needs, cloud computing can help business server infrastructures into vigorous domain through expansion. This review provides information of some cloud-based e-healthcare design edge technology benefits and adopting cloud computing in health care segments. It addresses the different methodologies, framework along with security and privacy issues that are crucial reasons of enhancing a cloud-based e-health care. Conclusion: When many healthcare companies adopt the cloud, a wide range of benefits are offered by cloud computing, and then a bright future takes over.