Many illnesses have seen a rise in prevalence in the past few years. Different technologies, such as the Internet of Things (IoT), artificial intelligence, and big data analysis, have been used in the healthcare industry. Efficiency in healthcare has been enhanced through the integration of IoT technology. Numerous medical devices in the healthcare industry utilize IoT technology, including the IoT-based patient monitoring system Dozee, which can monitor vital parameters such as heart rate, pulse rate, ECG, and BP. These parameters can be monitored on devices as well as on web servers. In the healthcare sector, IoT enhances quality of life. In the future, artificial intelligence will analyze data to provide precise patient information. Robotics, such as robotic surgery, have the potential to enhance the future of healthcare. IoT technology in healthcare focuses on remote patient monitoring systems and telemedicine services, providing patients with live data and keeping records up-to-date. The advancement of IoT devices includes wearable monitoring systems for patients and smartwatches, which can link with mobile phones to track patient information.