Abstract: There are huge numbers of users for the Xi’an Cadres Fulfillment Responsibilities Management System (FCRMS). User rights management is very complicated. In this article, it was introduced the role based access control (RBAC) model to solve the problem of user authority management in FCRMS. The article described business needs of the user rights management and the basic idea of RBAC model, discussed the function design, database design and implementation technology framework of FCRMS. Practice showed that using RBAC model to solve the rights management in FCRMS could achieve good effect in practical application.