ABO is a medical data sharing and intelligent protocol platform developed based on blockchain technology, which can circulate throughout the ABO network. ABO aims to build a healthier blockchain medical ecosystem. ABO will play an important role in the distribution and integration of health data resources such as distributed accounting, storage and access authorization mechanisms. At the same time, medical applications developed based on the ABO agreement and deployed in the ABO application market will become ABO's native applications. Third parties can easily develop basic data logic calculations and contract-written medical applications through the ABO smart contract agreement, and in the data Medical applications requiring procedurally complex smart protocols.