Health DeFi Chain (Chinese name: Yike Chain) is a global healthcare application supporting parallel chain plug-and-play configuration. It is dedicated to solving the long-standing issues of trust and data silos in the healthcare industry through blockchain technology, big data analysis, and predictive learning technologies. By utilizing immutable rights confirmation and fully traceable smart contracts based on value, the aim is to establish the worlds most trustworthy public blockchain for the healthcare industry, with practical implementations in real-world scenarios.