Monitoring the patients glucose level, temperature and in-case of emergency there is also have buzzer. Technologies like Wireless Sensor Networks (WSN) are used to monitor vital signs of patients reported to doctors in hospital. It also introduces a prototype of medical monitoring system specifically for elderly people by using technologies like REST, Jess rule engine and Android in order to cope up with future changes. Sensors and WSN based monitoring system help doctors, nurses and other medical personnel to continuously monitor patient's conditions.It will collect physical parameters with the help of Sensors and wearable computing devices to perform data processing and transmit required data to a sink or receiver through the medium of WSN.