The increase in contact of high-speed in internet and smartphones that helps many patients and start a new style of technology by using mobile applications to achieve the need of health related software. Internet of things (IOT) and big data can help in healthcare and the role of IT in healthcare. The uses of IOT and big data are essential to make lives of people in a healthy way. IOT refers to physical connection to the internet and thus able to identify themselves to other devices such as a weight machine, thermometer and patients dynamic observing devices etc. and big data refers to the massive amounts of data that is obtainable to healthcare suppliers which connects to the internet and converts the data/ information from the physical source to this digital world. Digitization of healthcare statistics and the growth of healthcare, the medical industry must take advantage of IOT big data to see the calculated business results. According to Ashton: If we have a tendency to had computers that knew everything there was to understand regarding things – exploitation information they gathered with none facilitate from US – we might be able to track and count everything, and greatly cut back waste, loss and price. In this book, we will come to know the performance and drawbacks of current architectures, services and applications focused on healthcare. It will also highlight the current problems and beneﬁts that IOT and big data are facing or giving their best to this world which help the disabled people or people suﬀering from various diseases.