HeFi, encompasses the use of big data, artificial intelligence (AI), the Internet of Things (IoT), and cloud computing to monitor and manage individual health. HeFi is closely linked with the burgeoning market of smart wearables, such as fitness bands and smartwatches, which collect health data and interact with smartphones for detailed health analysis. These wearables are essential in HeFi, providing real-time health monitoring and contributing to a comprehensive digital health ecosystem.

Additionally, HeFi is advancing disease management by utilizing big data for more accurate diagnoses and effective treatment strategies, marking a notable shift in how healthcare is approached and delivered.