A definitive issue always occuring in cloud is security. To vanquish the issues or issues of security, another strategy called Fog processing is introduced. The health information is taken from different sensors and fog framework is utilized in dissecting the hypertensive stage. The security of the patient's health information is significant. As the fog has many security issues, the strategy of encryption uses AES computation used here to secure the information of the fog. AES figuring is the most safeguarded about method of encryption for security. The datasets are examined and inspected encryption technique over those datasets. Further, execution of encryption is overviewed over picked datasets for precision if the whole information is sufficiently blended and unscrambled close by the time, User load, Response time, Memory Utilization over document size.