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Aiming at the security problems encountered by the current hospital computer information management system, this article incorporates the basic idea of ??RBAC (role-based access control) into the management of hospital information systems, effectively reducing the complexity of authorization management. In this system design, by creating a role set, the system overhead can be effectively reduced and the role authority management can be further simplified. This system also optimizes the designed database, which enables managers to construct a certain relationship between users and roles, roles and permissions according to the design goals and requirements, thereby realizing the functions of the hospital computer information management system and reducing its Cumbersome application steps to meet the needs of a sound hospital computer information system. Applying the role permission access model to the management system can assign roles to hospital users. When a user is assigned to a suitable role, the role directly has the corresponding permissions. After the user role activation is completed, each function model is performed. Corresponding operation improves safety. Experiments show that this method has higher data management ability than traditional methods.