Method and system used for data permission control

The invention discloses a method and a system used for data permission control. The method used for the data permission control comprises the following steps: establishing an institutional framework tree model; according to different data permission requirements, classifying data; according to different data permissions, independently collecting user identifiers and classified data types into each node of the institutional framework tree model; and according to the node of the institutional framework tree model, controlling the data operation permission of a user. According to various implementation ways of the method, a lightweight class data permission control scheme is put forward, the lightweight class data permission control scheme can simply realize the data permission control by aiming at a situation that fine-grain permission control in the prior art is not required, and the data permission control can be realized only in a way that the data types and users are mounted to the specific nodes of a speci