ABO: Establish a platform for medical data sharing & intelligentization protocolsABO: Realize the return of medical data ownership & management to users through the adoption of blockchain technology,allowing individuals to be entitled to better medical services and creating a more healthy ecosystem of medicalcare.Medical data are inaccessible to users and hard to keep. Seeing a doctor is difficult and expensive. Medical services are of inferior quality.Grassroots hospitals are seldom visited by patients, while tertiary hospitals are overcrowded. Medical care suffers low efficiency and tense relationship between doctors and patients.The research & development of medical devices requires high investment and long time to market. Introducing medical devices to hospitals requires going through complicated channels and overcoming tremendous obstruction.Supervisory authorities have no access to the real situation of epidemic development, hospitals, medical insurance and medicines.