This literature review explores the applications of the Internet of Things (IoT) in healthcare, focusing on its potential to transform patient care and improve healthcare delivery. It discusses the use of IoT devices for remote patient monitoring, data collection, and analysis, highlighting the benefits of enhanced connectivity, mobility, and cloud storage. The review also addresses key trends such as mHealth, wireless monitoring, and virtual consultations. Furthermore, it evaluates the strengths and weaknesses of IoT in healthcare, including concerns about data security, interoperability, and the need for regulatory frameworks. The review concludes that IoT has the potential to revolutionize healthcare by enabling new business models, improving efficiency, and reducing costs, while acknowledging the challenges that need to be addressed for its successful implementation.