Data authority management method and device, data access method, device and equipment and medium

The invention discloses a data authority management method and device, a data access method, device and equipment and a medium, and the method comprises the steps of obtaining a data set, carrying outthe data cleaning of each basic data in the data set, and obtaining an effective data set; performing feature extraction on each piece of basic data in the effective data set to obtain a data featureset, each piece of basic data corresponding to one data feature; adopting a preset data scoring table to obtain a feature score of each data feature; determining a feature level of each data featureaccording to the feature score; and allocating authority to each data feature according to the feature level to obtain a target authority of the basic data corresponding to each data feature. According to the authority management method, the extracted data features are processed, so that the data management efficiency is improved, and the data access security is ensured. 本发明公开了一种数据权限管理方法、数据访问方法、装置、设备及介质，所述数据权限管理方法包括：获取数据集，对