Fecha de publicación: 10/11/2023 Fuente: Wipo "BigData" The invention provides a privacy information protection method and system based on an authorization-report process, and relates to the technical field of computers, and the method comprises the steps: constructing an authorization-report system, and embedding the authorization-report system into a big data platform and a user platform; the method comprises the following steps: starting an authorization-report system when a user logs in a big data platform, and encrypting privacy information of the user through the authorization-report system to obtain encrypted data; when the big data platform needs to use the privacy information of the user, authorization applications are respectively carried out for the acquired information and the exported information; recording the operation of acquiring the privacy information by the big data platform through the authorization-report system, and storing the operation as an operation abstract; and feeding back the operation abstract to the user, and judging whether the secondary application is illegal or not through the user. According to the method, all operations on the privacy information are automatically recorded in a case whether the operations are in a'safe space 'or not, an abstract is formed and fed back to a privacy information owner, and the state that the privacy information owner is completely informed of privacy operation information is solved.