We have a Bluetooth - thermometer, a portable blood pressure machine and a glucose measuring device. We need to transfer data from all the device to an android app on an android phone. This android app will show the collected data from the above devices on the phone. Using the data, graphs have to be displayed on the android phone for example, blood pressure growth day by day for all 3 devices. Finally an alert tone when the blood pressure, temperature and glucose level reach a critical level respectively .