Data desensitization method and device

The embodiment of the invention provides a data desensitization method and device, and the method comprises the steps: obtaining to-be-desensitized data from a to-be-desensitized database when determining that a user has the authority of accessing the to-be-desensitized database, generating a desensitization task of the to-be-desensitized data based on a sensitive field of the to-be-desensitized data and a desensitization rule for the sensitive field, and desensitizing the to-be-desensitized data according to the desensitization task. And after determining that the desensitization task meets a set auditing condition, desensitizing sensitive data corresponding to the sensitive field in the to-be-desensitized data according to the desensitization rule to obtain desensitized data, and storing the desensitized data in a target database. In this way, the flexibility of the data desensitization mode can be improved so as to meet different data desensitization requirements, and the safety in the data desensitization