E-CARE (Easy to See) brings together frontline technical personnel in the blockchain industry, as well as experts from various industries in the healthcare industry. After comprehensive and in-depth market analysis, it has created a new ecosystem of smart contracts for the healthcare industry based on market usage points. E-CARE takes full advantage of the blockchain's characteristics of highly trusted consensus, low-cost security, distributed ledger and efficient link to multiple centers, adopts a new smart contract architecture design, and takes data exchange and accelerating the information flow of the medical health industry as its task, innovatively realizing the trusted exchange and verification of medical data in the medical health industry without affecting data ownership....