Covid-19 vaccine information tracing method and system based on block chain

The invention belongs to the technical field of information, and more specifically relates to a Covid-19 vaccine information tracing method and system based on block chains. The system comprises a data acquisition module used for acquiring production information, transportation information and injection information of Covid-19 vaccines; a data storage module used for storing data which is acquired by the data acquisition module and transmitted to the data storage module; and a query module used for querying information stored in the data storage module and displaying a query result to an inquirer. 本发明属于信息技术领域，更具体地，涉及一种基于区块链的新冠疫苗信息溯源方法及系统。该系统包括，数据采集模块：用于采集新冠疫苗的生产信息、运输信息和注射信息；数据存储模块：数据采集模块采集的数据传输至数据存储模块进行存储；查询模块：用于查询数据存储模块存储的信息，并将查询结果显示给查询者。