Element right confirmation method and system in data circulation process

The invention provides an element right confirmation method and system in a data circulation process, and the method comprises the steps: building a corresponding relation among an element main body, a subject matter feature and an element main body right in different data circulation stages, and generating mapping data; in the data circulation process, the data circulation stage is judged, and according to the mapping data, the element main body, the subject matter feature and the element main body right in each data circulation stage are determined; recording element main bodies, subject matter features and element main body rights in each data circulation stage in the data circulation process through the block chain; wherein the element subject rights comprise property rights, and the property rights comprise ownership and profit rights. According to the method, responsibilities, rights and benefits of all parties of data transaction are cleared away, effective tampering prevention and consensus mechanisms